Atoms Review

Front

In the modern periodic table, elements are arranged by:

Back

atomic number

Front

What is the atomic mass of an element with 7 protons and 7 neutrons?

Back

14

Front

What are the 3 particles that make up an atom?

Back

protons, neutrons, and electrons

Front

Which particle has a neutral (0) charge?

Back

neutron

Front

How many valence electrons does neon have?

Back

8

Front

What is an atom?

Back

The smallest unit of matter that retains the properties of an element.

Front

What is the charge of a proton?

Back

Positive (+1)

Front

What is the charge of an electron?

Back

Negative (-1)

Front

What is the nucleus of an atom?

Back

The central part of an atom, containing protons and neutrons.

Front

What is the atomic number of an element?

Back

The number of protons in the nucleus of an atom.