Atomic Structure Review Flashcard (Pre-AP Chem)

Front

Which subatomic particle has a negative charge?

Back

Electron

Front

What must an atom have to be considered neutral if it has 12 positively charged subatomic particles?

Back

12 electrons

Front

Which subatomic particle has a positive charge?

Back

Protons

Front

How many electrons does a neutral atom of sulfur have?

Back

16

Front

What is the charge of an atom with 7 protons and 7 electrons?

Back

0

Front

What are protons?

Back

Subatomic particles with a positive charge found in the nucleus of an atom.

Front

What are neutrons?

Back

Subatomic particles with no charge, also found in the nucleus of an atom.

Front

What are electrons?

Back

Subatomic particles with a negative charge that orbit the nucleus of an atom.

Front

What is the atomic number of an element?

Back

The number of protons in the nucleus of an atom, which determines the element's identity.

Front

What is the mass number of an atom?

Back

The total number of protons and neutrons in the nucleus.