Chemistry Solutions Library

Chemistry Solutions Library

Access over 27,561 Chemistry video and text solutions to help you complete your homework.

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27,561 solutions

Subatomic Particles

Q. Which of the following statements is/are TRUE about subatomic particles? a) An anion has the same number of protons and electrons. b) Neutrons ha...

Solved • Feb 11, 2016

Mixtures

Q. Choose the pure substance from the list below.A. SeawaterB. AirC. Carbon monoxideD. LemonadeE. Soda 

Solved • Feb 11, 2016

Mixtures

Q. Which of the following is a compound? A. Hydrogen B. Water C. Helium D. Seawater E. Magnesium 

Solved • Feb 11, 2016

Periodic Table

Q. Using the periodic table below, which of the following statements is   INCORRECT?

Solved • Feb 11, 2016

Subatomic Particles

Q. Identify the following element: a halogen whose anion contains 36 electrons.                   A. Cl                 B. Kr                 C. Rb ...

Solved • Feb 11, 2016

Subatomic Particles

Q. Which of the following is the symbol for the ion with a +4 charge, 30 neutrons and 21 electrons? 1. 55Mn4+           2. 51Cl4+           3. 51Mn4+...

Solved • Feb 11, 2016

Subatomic Particles

Q. One isotope of a metallic element has a mass number of 65 and 35 neutrons in the nucleus. The cation that this atom forms has 28 electrons. What is...

Solved • Feb 11, 2016