Atomic Structure Flashcard Review

Front

Where are protons and neutrons located in an atom?

Back

In the nucleus.

Front

What is the term for the number of protons in an atom of an element?

Back

Atomic number.

Front

How many electrons does an atom of sulfur (S) have?

Back

16.

Front

What is a tiny, positively charged particle found in the nucleus of an atom?

Back

Proton.

Front

How many protons are in an atom of Lithium (Li)?

Back

3.

Front

What is the charge of a neutron?

Back

Neutral (no charge).

Front

What is the mass number of an atom?

Back

The total number of protons and neutrons in the nucleus.

Front

What particle orbits the nucleus of an atom?

Back

Electron.

Front

What is the atomic mass of an element?

Back

The weighted average mass of an atom's isotopes.

Front

What is the relationship between atomic number and the identity of an element?

Back

The atomic number determines the element's identity.