Atomic Structures Vocabulary Flashcard

Front

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

Back

Atomic Number

Front

How many protons does Helium (He) have?

Back

2

Front

How many electrons are in an S²⁻ ion?

Back

18

Front

An atom becomes _______ when it loses electrons.

Back

Positive

Front

Which element has a Lewis Dot diagram with three dots?

Back

Boron

Front

What is the term for atoms of the same element with different numbers of neutrons?

Back

Isotopes

Front

What is the charge of a proton?

Back

Positive

Front

What is the charge of an electron?

Back

Negative

Front

What is the overall charge of a neutral atom?

Back

Neutral

Front

What is the term for a positively charged ion?

Back

Cation