Chemistry Semester 1 Review & Exam

Front

The state of matter with relatively high heat, indefinite volume and indefinite shape is ___________.

Back

gas

Front

Which of the following was not one of the five statements included in John Dalton’s Atomic Theory?

Back

Atoms are composed of a nucleus of nucleons surrounded by an electron cloud.

Front

A __________ tells what is going to happen, while a ___________ tells you how or why it happened.

Back

law, theory

Front

What is the atomic mass number of this atom?

Back

96

Front

What is the formula for density?

Back

Front

What is the formula for volume of a rectangular prism?

Back

Front

What is the formula for calculating the number of moles?

Back

Front

What is the pH scale used for?

Back

To measure the acidity or basicity of a solution.

Front

What is the principle of conservation of mass?

Back

Mass is neither created nor destroyed in a chemical reaction.

Front

What is an ionic bond?

Back

A chemical bond formed between two ions with opposite charges.