Front

What is the atomic mass of Helium?

Back

4

Front

How are particles arranged in a solid?

Back

In a solid, particles are closely packed together in a fixed arrangement.

Front

What is a molecule?

Back

A molecule is multiple atoms bonded together.

Front

How many elements are in a molecule of carbon monoxide (CO)?

Back

2

Front

How many elements are in a molecule of sodium bicarbonate?

Back

4

Front

What is an atom?

Back

An atom is the smallest unit of matter that retains the properties of an element.

Front

What is the difference between an element and a compound?

Back

An element is a pure substance made of only one type of atom, while a compound is made of two or more different types of atoms bonded together.

Front

What is the chemical formula for water?

Back

H2O, which means it is made of 2 hydrogen atoms and 1 oxygen atom.

Front

What state of matter has a definite shape and volume?

Back

Solid.

Front

What state of matter has no definite shape but has a definite volume?

Back

Liquid.