Chemistry Chemistry Practice Problems Solutions Library

Subatomic Particles Solutions Library

Access 388 Subatomic Particles video and text solutions to help you complete your homework. Need to revisit the concept? Watch our Subatomic Particles learn videos.

Browse Solutions

388 solutions

Subatomic Particles

Q. Part D. In the PhET simulation window, click the green + symbols to expand the Mass Number tab. Drag protons, neutrons, and electrons from their re...

Solved • Jul 1, 2020

Subatomic Particles

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

Subatomic Particles

Q. Part D. An atom of iron is represented by 5726Fe. How many neutrons are in the nucleus of this atom?Express your answer as an integer.The atomic nu...

Solved • Jul 1, 2020

Subatomic Particles

Q. Part C. An atom has a mass number of 32 and 17 neutrons. What is the atomic number of this atom?Express your answer as an integer.The atomic number...

Solved • Jul 1, 2020

Subatomic Particles

Q. Part B. The atomic number of oxygen is 8. What is the mass number of an oxygen atom with 7 neutrons?Express your answer as an integer. The atomic n...

Solved • Jul 1, 2020

Subatomic Particles

Q. Part A. Which subatomic particle(s) are found in the nucleus of the atom?Enter the subatomic particle or particles separated by commas.Atoms are co...

Solved • Jul 1, 2020

Subatomic Particles

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

Subatomic Particles

Q. Part A. Specify the number of protons, neutrons, and electrons in the neutral atom iron-56.Enter your answers as integers separated by commas.Atoms...

Solved • Jul 1, 2020

Subatomic Particles

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

Subatomic Particles

Q. Click on the Isotopes tab. Click on yellow cells in the periodic table shown in the upper right to select various isotopes. Complete the following ...

Solved • Jun 30, 2020

Subatomic Particles

Q. How many neutrons are found in one atom of 36Cl? Express your answer numerically.Periodic table The periodic table lists two main numbers for each ...

Solved • Jun 30, 2020

Subatomic Particles

Q. Which of the following factors determines the size of an atom?a. The volume of the nucleus.b. The volume of space occupied by the electrons of the ...

Solved • Jun 30, 2020

Subatomic Particles

Q. What are the differences in the compositions of the following pairs of atomic nuclei? 21083Bi, 20982Pba) 21083Bi has one fewer proton and one more ...

Solved • Jun 29, 2020

Subatomic Particles

Q. A neon isotope has a mass number of 21.How many neutrons does it contain?Express your answer in neutrons as an integer.

Solved • Jun 25, 2020

Subatomic Particles

Q. Which element contains 51 protons in its nucleus?(a) manganese (b) chromium(c) fermium(d) antimony

Solved • Jun 25, 2020

Subatomic Particles

Q. What is scanning tunneling microscopy? How does it work?

Solved • Jun 25, 2020

Subatomic Particles

Q. The superscript preceding each hydrogen atomic symbol (H) represents which of the following?

Solved • Jun 16, 2020

Subatomic Particles

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

Solved • Jun 16, 2020

Subatomic Particles

Q. Which subatomic particle has the least mass?A) electronB) nucleusC) neutronD) proton

Solved • Jun 15, 2020

Subatomic Particles

Q. Which statements about subatomic particles are true? A. If an atom has an equal number of protons and electrons, it will be charge-neutral. B. Elec...

Solved • Jun 15, 2020

Subatomic Particles

Q. How many protons, neutrons, and electrons are in a neutral atom of sodium?

Solved • Jun 15, 2020

Subatomic Particles

Q. Which of the following statements is false?a) Cations are formed when neutral atoms lose electrons to become positively charged.b) Anions are forme...

Solved • May 1, 2020

Subatomic Particles

Q. The most abundant isotope of iron is Fe-56.a. How many protons, neutrons, and electrons are in this isotope?b. What is the symbol of another isotop...

Solved • Apr 29, 2020

Subatomic Particles

Q. Fill in the missing information for the neutral isotopes in the table belowElement:SeMass number:7765Number of neutrons:3645Number of protons:Numbe...

Solved • Apr 29, 2020

Subatomic Particles

Q. An atom of iron has the atomic number 26. This means that: a) it has an atomic mass of 26. b) it has 26 protons. c) it has 26 electrons. d) it has ...

Solved • Apr 28, 2020

Subatomic Particles

Q. How many neutrons are found in one atom of 16N? Express your answer numerically.

Solved • Apr 28, 2020

Subatomic Particles

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

Solved • Apr 28, 2020

Subatomic Particles

Q. How  many protons and neutrons are present in an atom of ?

Solved • Apr 28, 2020

Subatomic Particles

Q. Give the nuclear symbol for the isotope of phosphorus for which A = 31?Enter the nuclear symbol for the isotope  .

Solved • Apr 21, 2020

Subatomic Particles

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

Solved • Apr 21, 2020

Subatomic Particles

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

Solved • Mar 13, 2020

Subatomic Particles

Q. Complete the table below, using the diagram of an atom shown at right.

Solved • Mar 12, 2020

Subatomic Particles

Q. How many neutrons are present in a nucleus of iron-56?A) 56B) 26C) 28D) 30E) 20

Solved • Nov 25, 2019

Subatomic Particles

Q. Bromine exists naturally as a mixture of bromine-79 and bromine-81 isotopes. An atom of bromine-79 containsA. 34 protons and 35 electrons, onlyB. 3...

Solved • Nov 22, 2019

Subatomic Particles

Q. How many neutrons are there in the nucleus of a 232Th atom?a. 232b. 90c. 81d. 151e. 142

Solved • Nov 21, 2019

Subatomic Particles

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

Subatomic Particles

Q. What element does “X” represent in the following symbol? a. Mercury (Hg)b. Chlorine (Cl)c. Rhodium (Rh)d. Scandium (Sc)e. Bromine (Br)

Solved • Sep 17, 2019

Subatomic Particles

Q. How many protons and neutrons are there in the Fe-58 isotope?a. 26 protons and 58 neutronsb. 32 protons and 26 neutronsc. 26 protons and 32 neutron...

Solved • Sep 14, 2019

Subatomic Particles

Q. How many protons (p) and neutrons (n) are in an atom of strontium-90? A) 38 p, 90 n B) 52 p, 38 n C) 90 p, 38 n D) 38 p, 52 n

Solved • Sep 13, 2019

Subatomic Particles

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

Subatomic Particles

Q. Which isotope has the largest number of neutrons?A. phosphorus-30B. chlorine-37C. 39KD. 40ArE. calcium-40

Solved • Sep 13, 2019

Subatomic Particles

Q. Which interaction of nature binds neutrons and protons into nuclei?

Solved • Sep 4, 2019

Subatomic Particles

Q. Provide a number of protons, neutrons, and electrons for each isotope.a) Isotope 16Ob) Isotope 108Ag

Solved • Aug 30, 2019

Subatomic Particles

Q. Find number of protons, neutrons, and electrons for each isotope.a) Isotope 207Pbb) Isotope 40Ca

Solved • Aug 30, 2019

Subatomic Particles

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

Solved • Aug 27, 2019

Subatomic Particles

Q. An atom of oxygen has an atomic number of 8 and a mass number of 18. How many of each type of subatomic particle does it contain?

Solved • Aug 26, 2019

Subatomic Particles

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

Subatomic Particles

Q. If an atom contains 3 protons, 4 neutrons, and 3 electrons, its mass number is ___If an atom contains 11 protons and 12 neutrons, its atomic number...

Solved • Aug 25, 2019

Subatomic Particles

Q. How many electrons are in gold?

Solved • Aug 25, 2019

Subatomic Particles

Q. How many neutrons does aluminum have?

Solved • Aug 25, 2019

Subatomic Particles

Q. How many neutrons does neon have?

Solved • Aug 25, 2019

Subatomic Particles

Q. What is the number of neutrons in phosphorus?

Solved • Aug 25, 2019

Subatomic Particles

Q. How many neutrons does nitrogen have?

Solved • Aug 25, 2019

Subatomic Particles

Q. If an atom has an atomic number of 9 and an atomic mass number of 19, how many protons, neutrons, and electrons does it have?

Solved • Aug 7, 2019

Subatomic Particles

Q. If an atom has an atomic number of 15 and an atomic mass of 31, how many protons, neutrons and electrons does the atom contain?

Solved • Aug 7, 2019

Subatomic Particles

Q. What is an ion?

Solved • Aug 7, 2019

Subatomic Particles

Q. What is the atomic mass of neon?

Solved • Aug 7, 2019

Subatomic Particles

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

Solved • Aug 7, 2019

Subatomic Particles

Q. How many protons, neutrons, and electrons does a magnesium atom with a mass number of 25 contain?

Solved • Aug 7, 2019

Subatomic Particles

Q. What is the mass number of an ion with 104 electrons, 157 neutrons, and a +1 charge?

Solved • Aug 7, 2019

Subatomic Particles

Q. How many neutrons does Uranium-238 have if it has 92 protons?

Solved • Aug 7, 2019

Subatomic Particles

Q. How many protons, neutrons and electrons are in calcium?

Solved • Aug 7, 2019

Subatomic Particles

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

Subatomic Particles

Q. How many protons, neutrons, and electrons are present in an atom of aluminum-27?

Solved • Aug 7, 2019

Subatomic Particles

Q. How many protons, neutrons, and electrons are in a neutral atom of sodium?

Solved • Aug 7, 2019

Subatomic Particles

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

Subatomic Particles

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

Subatomic Particles

Q. What is the mass number of an ion with 109 electrons, 159 neutrons, and a +1 charge?

Solved • Aug 5, 2019

Subatomic Particles

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

Subatomic Particles

Q. Specify the number of protons, neutrons, and electrons in the neutral atom chromium-52.

Solved • Aug 2, 2019

Subatomic Particles

Q. Define A, Z, and X   in the following notation used to specify a nuclide: ZA X.

Solved • Jan 8, 2019

Subatomic Particles

Q. For the following isotope that have missing information, fill in the missing information to complete the notation(a) 3414 X

Solved • Dec 10, 2018

Subatomic Particles

Q. Write the following isotope in nuclide notation (e.g., " 146C")(d) francium-217

Solved • Dec 10, 2018

Subatomic Particles

Q. Write the following isotope in nuclide notation (e.g., " 146C")(c) tantalum-175

Solved • Dec 10, 2018

Subatomic Particles

Q. Write the following isotope in nuclide notation (e.g., " 146C")(b) copper-70

Solved • Dec 10, 2018

Subatomic Particles

Q. Write the following isotope in nuclide notation (e.g., " 146C")(a) oxygen-14

Solved • Dec 10, 2018

Subatomic Particles

Q. Write the following isotope in hyphenated form (e.g., “carbon-14”)(a) 2411 Na

Solved • Dec 10, 2018

Subatomic Particles

Q. Give an example of an ionic compound where both the anion and the cation are isoelectronic with the following noble gases.b. Ar

Solved • Nov 27, 2018

Subatomic Particles

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

Solved • Nov 12, 2018

Subatomic Particles

Q. The two most common isotopes of uranium are 235U and 238U.Compare the number of protons, the number of electrons, and the number of neutrons in ato...

Solved • Nov 12, 2018

Subatomic Particles

Q. Hydrogen has three isotopes (1H, 2H, and 3H), and chlorine has two isotopes (35Cl and 37Cl).Tell how many protons, neutrons, and electrons 2H35Cl c...

Solved • Oct 25, 2018

Subatomic Particles

Q. How many protons and electrons are in each of the following ions?Rb+

Solved • Oct 25, 2018

Subatomic Particles

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

Solved • Oct 25, 2018

Subatomic Particles

Q. Identify the following elements. 80202 X

Solved • Oct 25, 2018

Subatomic Particles

Q. Identify the following elements. 83209X

Solved • Oct 25, 2018

Subatomic Particles

Q. Iodine has a  lower  atomic weight than tellurium (126.90 for I, 127.60 for Te) even though it has a  higher  atomic number (53 for I, 52 for Te). ...

Solved • Oct 25, 2018

Subatomic Particles

Q. How many protons, neutrons, and electrons are in each of the following atoms? 58142 Ce

Solved • Oct 25, 2018

Subatomic Particles

Q. An unknown particle is caused to move between two electrically charged plates, as illustrated below.You hypothesize that the particle is a proton.Y...

Solved • Oct 25, 2018

Subatomic Particles

Q. An unknown particle is caused to move between two electrically charged plates, as illustrated below.You hypothesize that the particle is a proton.Y...

Solved • Oct 25, 2018

Subatomic Particles

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

Solved • Oct 25, 2018

Subatomic Particles

Q. Consider an atom of 63Cu. How many protons, neutrons, and electrons does this atom contain?

Solved • Oct 25, 2018

Subatomic Particles

Q. What is the symbol for the isotope of 63Cu that possesses 36 neutrons?

Solved • Oct 25, 2018

Subatomic Particles

Q. Consider an atom of 10B.How many protons, neutrons, and electrons does this atom contain?

Solved • Oct 25, 2018

Subatomic Particles

Q. Consider an atom of 10B.What is the symbol of the atom obtained by adding one proton to 10B?

Solved • Oct 25, 2018

Subatomic Particles

Q. Consider an atom of 10B.What is the symbol of the atom obtained by adding one neutron to 10B?

Solved • Oct 25, 2018

Subatomic Particles

Q. Which of the three subatomic particles was discovered first— the proton, neutron, or electron?

Solved • Oct 25, 2018

Subatomic Particles

Q. To how many significant figures would you need to express the mass of an oxygen-16 atom in amu to notice the change in mass that occurs when it gai...

Solved • Oct 25, 2018

Subatomic Particles

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

Solved • Oct 25, 2018

Subatomic Particles

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

Solved • Oct 25, 2018

Subatomic Particles

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

Solved • Oct 25, 2018