Chemistry Chemistry Practice Problems Solutions Library

Ions Solutions Library

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191 solutions

Ions

Q. Write the chemical symbols for three different atoms or atomic cations with 19 electrons.

Solved • Nov 13, 2020

Ions

Q. Identify the ion with the given number of protons and electronsMg2+      V3+      Mn2+      Ar        S2-      Ba2+Fe3+      Cs+      Fe2+       Fe...

Solved • Oct 22, 2020

Ions

Q. Part B. If the following elements were to form ions, what is the expectant charge?Drag the appropriate elements to their respective bins. A main gr...

Solved • Jul 1, 2020

Ions

Q. Part A. If the following elements were to form ions, they would attain the same number of electrons as which noble gas?Drag the appropriate element...

Solved • Jul 1, 2020

Ions

Q. Part B. Rank the atoms based on charge from most negative to most positive.Rank the following atoms from most negative to most positive charge. To ...

Solved • Jul 1, 2020

Ions

Q. Part B. Complete the sentence indicating the number of protons and electrons in the given ion. Match the numbers in the left column to the appropri...

Solved • Jul 1, 2020

Ions

Q. Part A. Match each diagram to the atom or ion it represents.Drag each item to the appropriate bin. An atom is made up of a positively-charged nucle...

Solved • Jul 1, 2020

Ions

Q. How do you calculate the total number of protons and electrons in a polyatomic Ion?

Solved • Jun 16, 2020

Ions

Q. In which of the following sets do all species have the same number of electrons? a. Br-, Kr, Sr2+ b. C, N3-, O2-c. Mg2+, Sr2+, Ba2+ Extra Credit: W...

Solved • Apr 30, 2020

Ions

Q. Metals and nonmetals can react with each other to form ions. Complete these statements.A potassium atom gain or loses(electrons/protons/neutrons)an...

Solved • Apr 30, 2020

Ions

Q. Which of the following species are isoelectronic with Ne? Check all that apply.Mg2+CaLi+Al3+F-Na+Li

Solved • Apr 28, 2020

Ions

Q. A certain element forms an ion with 10 electrons and a charge of +2. Identify the element.

Solved • Apr 21, 2020

Ions

Q. With what allotrope of oxygen is it isoelectronic in NO2-? Write the answer as a chemical formula.

Solved • Mar 13, 2020

Ions

Q. Which of the following ions is not isoelectronic with Xenon (Xe)?a. Cs+b. I -c. Sr2+d. Te2-e. all of the above choices are isoelectronic with Xenon

Solved • Oct 8, 2019

Ions

Q. How many protons, neutrons and electrons does the 56Fe2+ ion have?

Solved • Sep 18, 2019

Ions

Q. What are the numbers of electrons, sequentially, in each of the following ions?    Ca2+, Fe2+, I-, O2-       a) 20e-, 26e-, 53e-, 8e-b) 18e-, 26e-,...

Solved • Sep 14, 2019

Ions

Q. An atom that has lost an electron is A) electrically neutral. B) likely to behave exactly like the parent atom. C) an anion. D) unlikely to be foun...

Solved • Sep 13, 2019

Ions

Q. How many electrons does the iron ion have when it forms the ionic compound  FeCl3?

Solved • Aug 27, 2019

Ions

Q. Calcium's atomic number is 20. It forms ions with 18 electrons. What is the electrical charge of a calcium ion?

Solved • Aug 26, 2019

Ions

Q. What is an ion?

Solved • Aug 7, 2019

Ions

Q. What are the protons, neutrons, and electrons for a sulfur(2-) anion with a mass number of 33?

Solved • Aug 7, 2019

Ions

Q. How do you find the protons, neutrons, and electrons for a Bromine (1−) anion with a mass number of 80?

Solved • Aug 7, 2019

Ions

Q. Which of the following is an isoelectronic series?a. B5-, Si4-, As3-, Te2-b. F -, Cl -, Br -, I -c. S, Cl, Ar, Kd. Si2-, P2-, S2-, Cl2-e. O2-, F -,...

Solved • Aug 5, 2019

Ions

Q. ___________ is isolectronic with argon and __________ is isolectronic with neon.a. Cl-, F-b. Cl-, Cl+c. F+, F-d. Ne-, Kr+e. Ne-, Ar+

Solved • Aug 5, 2019

Ions

Q. Which subatomic particle(s) are found in the nucleus of the atom?An atom of chlorine is represented by 3717Cl. How many neutrons are in the nucleus...

Solved • Aug 2, 2019

Ions

Q. Which neutral atom is isoelectronic with each of the following ions: Ga3+, Zr4+, Mn7+, I-, Pb2+?

Solved • Nov 12, 2018

Ions

Q. Consider a reaction represented by the shown spheres: Which sphere represents a metal and which a nonmetal?

Solved • Nov 12, 2018

Ions

Q. What is the identity of the element X in the following ions?X2+, a cation that has 36 electrons.

Solved • Oct 25, 2018

Ions

Q. Which of the following is a symbol representing the ion obtained by removing two electrons from 63Cu ?

Solved • Oct 25, 2018

Ions

Q. Fill in the gaps in the following table, assuming each column represents a neutral atom:Symbol112CdProtons3892Neutrons5849Electrons3836Mass no.8123...

Solved • Oct 25, 2018

Ions

Q. Fill in the gaps in the following table, assuming each column represents a neutral atom:Symbol112CdProtons3892Neutrons5849Electrons3836Mass no.8123...

Solved • Oct 25, 2018

Ions

Q. Fill in the gaps in the following table, assuming each column represents a neutral atom:Symbol112CdProtons3892Neutrons5849Electrons3836Mass no.8123...

Solved • Oct 25, 2018

Ions

Q. Fill in the gaps in the following table, assuming each column represents a neutral atom:Symbol112CdProtons3892Neutrons5849Electrons3836Mass no.8123...

Solved • Oct 25, 2018

Ions

Q. Fill in the gaps in the following table, assuming each column represents a neutral atom:Symbol112CdProtons3892Neutrons5849Electrons3836Mass no.8123...

Solved • Oct 25, 2018

Ions

Q. Fill in the gaps in the following table, assuming each column represents a neutral atom:Symbol79BrProtons2582Neutrons3064Electrons4886Mass no.22220...

Solved • Oct 25, 2018

Ions

Q. Fill in the gaps in the following table, assuming each column represents a neutral atom:Symbol79BrProtons2582Neutrons3064Electrons4886Mass no.22220...

Solved • Oct 25, 2018

Ions

Q. Fill in the gaps in the following table, assuming each column represents a neutral atom:Symbol79BrProtons2582Neutrons3064Electrons4886Mass no.22220...

Solved • Oct 25, 2018

Ions

Q. Fill in the gaps in the following table, assuming each column represents a neutral atom:Symbol79BrProtons2582Neutrons3064Electrons4886Mass no.22220...

Solved • Oct 25, 2018

Ions

Q. While it is helpful to know that many ions have the same number of electrons as a noble gas, many elements, especially among the metals, form ions ...

Solved • Oct 25, 2018

Ions

Q. In which of the following species is the difference between the number of protons and the number of electrons largest?  Check all that apply.(a) Ti...

Solved • Oct 25, 2018

Ions

Q. Fill in the gaps in the following table:SymbolP3-Protons3549Neutrons4566118Electrons4676Mass number31Net charge1-3+Complete the first row of the ta...

Solved • Oct 25, 2018

Ions

Q. Fill in the gaps in the following table:SymbolP3-Protons3549Neutrons4566118Electrons4676Mass number31Net charge1-3+Complete the second row of the t...

Solved • Oct 25, 2018

Ions

Q. Fill in the gaps in the following table:SymbolP3-Protons3549Neutrons4566118Electrons4676Mass number31Net charge1-3+Complete the third row of the ta...

Solved • Oct 25, 2018

Ions

Q. Fill in the gaps in the following table:SymbolP3-Protons3549Neutrons4566118Electrons4676Mass number31Net charge1-3+Complete the fourth row of the t...

Solved • Oct 25, 2018

Ions

Q. Fill in the gaps in the following table:SymbolP3-Protons3549Neutrons4566118Electrons4676Mass number31Net charge1-3+Complete the fifth row of the ta...

Solved • Oct 25, 2018

Ions

Q. Fill in the gaps in the following table:SymbolP3-Protons3549Neutrons4566118Electrons4676Mass number31Net charge1-3+Complete the sixth row of the ta...

Solved • Oct 25, 2018

Ions

Q. Fill in the gaps in the following table:SymbolCo3+Protons347680Neutrons46116120Electrons3678Mass number59Net charge2+Complete the first row of the ...

Solved • Oct 25, 2018

Ions

Q. Fill in the gaps in the following table:SymbolCo3+Protons347680Neutrons46116120Electrons3678Mass number59Net charge2+Complete the second row of the...

Solved • Oct 25, 2018

Ions

Q. Fill in the gaps in the following table:SymbolCo3+Protons347680Neutrons46116120Electrons3678Mass number59Net charge2+Complete the third row of the ...

Solved • Oct 25, 2018

Ions

Q. Fill in the gaps in the following table:SymbolCo3+Protons347680Neutrons46116120Electrons3678Mass number59Net charge2+Complete the fourth row of the...

Solved • Oct 25, 2018

Ions

Q. Fill in the gaps in the following table:SymbolCo3+Protons347680Neutrons46116120Electrons3678Mass number59Net charge2+Complete the fifth row of the ...

Solved • Oct 25, 2018

Ions

Q. Predictable charges of some common ions. Notice that the red stepped line that divides metals from nonmetals also separates cations from anions. Hy...

Solved • Oct 25, 2018

Ions

Q. In complete sentences, describe the similarities and differences between:a neutral atom and an ion of the same element.A neutral atom and am ion of...

Solved • Oct 25, 2018

Ions

Q. Determine the number of protons and electrons in each of the following.Al3 + 

Solved • Oct 25, 2018

Ions

Q. Determine the number of protons and electrons in each of the following.Se2 - 

Solved • Oct 25, 2018

Ions

Q. Determine the number of protons and electrons in each of the following.Ga3 + 

Solved • Oct 25, 2018

Ions

Q. Determine the number of protons and electrons in each of the following.Sr2 + 

Solved • Oct 25, 2018

Ions

Q. Determine the number of protons and electrons in each of the following ions.Ni2 + 

Solved • Oct 25, 2018

Ions

Q. Determine the number of protons and electrons in each of the following ions.S2 - 

Solved • Oct 25, 2018

Ions

Q. Determine the number of protons and electrons in each of the following ions.Br–

Solved • Oct 25, 2018

Ions

Q. Determine the number of protons and electrons in each of the following ions.Cr3 + 

Solved • Oct 25, 2018

Ions

Q. Determine the number of electrons in the Cr3+ ion.

Solved • Oct 25, 2018

Ions

Q. Fill in the blanks to complete the table.Symbol Z  A  #p  #e-  #n ChargeSi14________1414____S2-____32____________2-Cu2+________________342+____15__...

Solved • Oct 25, 2018

Ions

Q. Fill in the blanks to complete the table.Symbol Z  A  #p  #e-  #n ChargeSi14________1414____S2-____32____________2-Cu2+________________342+____15__...

Solved • Oct 25, 2018

Ions

Q. Fill in the blanks to complete the table.Symbol Z  A  #p  #e-  #n ChargeSi14________1414____S2-____32____________2-Cu2+________________342+____15__...

Solved • Oct 25, 2018

Ions

Q. Fill in the blanks to complete the table.Symbol Z  A  #p  #e-  #n ChargeSi14________1414____S2-____32____________2-Cu2+________________342+____15__...

Solved • Oct 25, 2018

Ions

Q. Fill in the blanks to complete the table.Symbol Z  A  #p  #e-  #n ChargeSi14________1414____S2-____32____________2-Cu2+________________342+____15__...

Solved • Oct 25, 2018

Ions

Q. Fill in the blanks to complete the table.Symbol Z  A  #p  #e-  #n ChargeSi14________1414____S2-____32____________2-Cu2+________________342+____15__...

Solved • Oct 25, 2018

Ions

Q. Fill in the blanks to complete the table.Symbol Z  A  #p  #e-  #n ChargeSi14________1414____S2-____32____________2-Cu2+________________342+____15__...

Solved • Oct 25, 2018

Ions

Q. Complete the following table.SymbolZA #p  #e  #n Charge_____8____________82-Ca2+20____________20____Mg2+____25________132+N3-____14____10________Co...

Solved • Oct 25, 2018

Ions

Q. Complete the following table.SymbolZA #p  #e  #n Charge_____8____________82-Ca2+20____________20____Mg2+____25________132+N3-____14____10________Co...

Solved • Oct 25, 2018

Ions

Q. Complete the following table.SymbolZA #p  #e  #n Charge_____8____________82-Ca2+20____________20____Mg2+____25________132+N3-____14____10________Co...

Solved • Oct 25, 2018

Ions

Q. Complete the following table.SymbolZA #p  #e  #n Charge_____8____________82-Ca2+20____________20____Mg2+____25________132+N3-____14____10________Co...

Solved • Oct 25, 2018

Ions

Q. Complete the following table.SymbolZA #p  #e  #n Charge_____8____________82-Ca2+20____________20____Mg2+____25________132+N3-____14____10________Co...

Solved • Oct 25, 2018

Ions

Q. Complete the following table.SymbolZA #p  #e  #n Charge_____8____________82-Ca2+20____________20____Mg2+____25________132+N3-____14____10________Co...

Solved • Oct 25, 2018

Ions

Q. Complete the following table.SymbolZA #p  #e  #n Charge_____8____________82-Ca2+20____________20____Mg2+____25________132+N3-____14____10________Co...

Solved • Oct 25, 2018

Ions

Q. Fill in the blanks to complete the following table.SymbolIon FormedNumber of Electrons in IonNumber of Protons in IonCaCa2+_______________Be2+2____...

Solved • Oct 25, 2018

Ions

Q. Fill in the blanks to complete the following table.SymbolIon FormedNumber of Electrons in IonNumber of Protons in IonCaCa2+_______________Be2+2____...

Solved • Oct 25, 2018

Ions

Q. Fill in the blanks to complete the following table.SymbolIon FormedNumber of Electrons in IonNumber of Protons in IonCaCa2+_______________Be2+2____...

Solved • Oct 25, 2018

Ions

Q. Fill in the blanks to complete the following table.SymbolIon FormedNumber of Electrons in IonNumber of Protons in IonCaCa2+_______________Be2+2____...

Solved • Oct 25, 2018

Ions

Q. Fill in the blanks to complete the following table.SymbolIon FormedNumber of Electrons in IonNumber of Protons in IonCl__________17Te_____54_____Br...

Solved • Oct 25, 2018

Ions

Q. Fill in the blanks to complete the following table.SymbolIon FormedNumber of Electrons in IonNumber of Protons in IonCl__________17Te_____54_____Br...

Solved • Oct 25, 2018

Ions

Q. Fill in the blanks to complete the following table.SymbolIon FormedNumber of Electrons in IonNumber of Protons in IonCl__________17Te_____54_____Br...

Solved • Oct 25, 2018

Ions

Q. Fill in the blanks to complete the following table.SymbolIon FormedNumber of Electrons in IonNumber of Protons in IonCl__________17Te_____54_____Br...

Solved • Oct 25, 2018

Ions

Q. What is an ion?

Solved • Oct 25, 2018

Ions

Q. What is a cation?

Solved • Oct 25, 2018

Ions

Q. What is an anion?

Solved • Oct 25, 2018

Ions

Q. Which atom and/or ion is (are) isoelectronic with Br +: Se2+, Se, As–, Kr, Ga3+, Cl–?

Solved • Oct 22, 2018

Ions

Q. Write the symbol for each of the following ions: (a) the ion with a 3+ charge, 28 electrons, and a mass number of 71

Solved • Oct 16, 2018

Ions

Q. What symbol designates an ion that contains 13 protons and 10 electrons? (a) Ne (b) AI3+ (c) Al3- (d) P2+ 

Solved • Sep 28, 2018

Ions

Q. How many protons are in an ion with 10 electrons and a -1 charge? How many total electrons are in a Sr2+ ion? 

Solved • Sep 28, 2018

Ions

Q. How many protons are in an ion with 86 electrons and a -1 charge? How many total electrons are in a Cu2+ ion? 

Solved • Sep 28, 2018

Ions

Q. Determine the number of protons and electrons in each of the following. N3- Enter your answers numerically separated by a comma. Ga3+ Enter your an...

Solved • Sep 17, 2018

Ions

Q. An iron(II) ion has: (a) 24 electrons and a charge of 2+ (b) 28 electrons and a charge of 2+ (c) 28 electrons and a charge of 2- (d) 26 electrons a...

Solved • Sep 17, 2018

Ions

Q. Be sure to answer all parts.Give the number of protons and electrons in each of the atom.Br- Mn2+ C4-

Solved • Sep 12, 2018

Ions

Q. Be sure to answer all parts.One isotope of a metallic element has the mass number 65 and 35 neutrons in the nucleus. The cation derived from the is...

Solved • Sep 12, 2018

Ions

Q. Write the chemical symbols for three different atoms or atomic cations with 3 electrons.

Solved • Sep 12, 2018

Ions

Q. Complete this table. Note that the atoms/ions are not necessarily neutral. 

Solved • Sep 11, 2018

Ions

Q. What is the charge on a hypothetical ion with 35 protons and 38 electrons? 

Solved • Sep 11, 2018

Ions

Q. An ion has 14 neutrons, 10 electrons, and a mass number of 27. Part 1How many protons does this ion have? Part 2What is the symbol for this ion? En...

Solved • Sep 7, 2018