First Semester Exam Review

Front

What particle orbits around the nucleus of an atom?

Back

Electron

Front

What is the overall charge of an atom with 5 protons, 4 electrons, and 5 neutrons?

Back

+1

Front

How many valence electrons are found in atoms of group 1?

Back

1

Front

How many valence electrons does sodium have?

Back

1

Front

Which scientist's model is known as the Plum Pudding Model?

Back

J.J. Thomson

Front

What is the charge of a proton?

Back

+1

Front

What is the charge of a neutron?

Back

0 (neutral)

Front

What is the charge of an electron?

Back

-1

Front

What is the atomic number of an element?

Back

The number of protons in the nucleus of an atom.

Front

What does the periodic table organize?

Back

Elements based on their atomic number and properties.