Atoms, Elements & Compounds TEST REVIEW

Front

Subatomic particles that have a negative charge

Back

Electrons are subatomic particles with a negative charge.

Front

What is the building block of matter?

Back

The atom is the basic unit of matter.

Front

What is the important step before calculating the neutrons in an atom with an atomic mass of 3.9?

Back

Round the atomic mass to 4.

Front

What can be found on the periodic table?

Back

Elements are listed on the periodic table.

Front

How many neutrons are in an atom of Fluorine?

Back

An atom of Fluorine has 10 neutrons.

Front

What are protons?

Back

Protons are positively charged subatomic particles found in the nucleus of an atom.

Front

What is a molecule?

Back

A molecule is a group of two or more atoms bonded together.

Front

What is a compound?

Back

A compound is a substance formed when two or more different elements are chemically bonded.

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.

Front

What is atomic mass?

Back

Atomic mass is the weighted average mass of an atom's isotopes.