Atomic Structure

Front

Subatomic particles with a negative charge

Back

Electrons

Front

Subatomic particles found on the outermost shell & responsible for the atom's reactivity

Back

valence electrons

Front

A tiny but very dense, positively charged portion of the atom that holds most of the atomic mass

Back

Nucleus

Front

Calculation used to find the number of neutrons in an atom

Back

Atomic Mass - Atomic Number

Front

The only element with typically has no neutrons in its nucleus. Options: Oxygen, Helium, Hydrogen, Lithium

Back

Hydrogen

Front

What is the nucleus of an atom made of?

Back

protons and neutrons

Front

What is the atomic number of this atom? Options: 1, 3, 4, 7

Back

3

Front

What is the mass number of this atom?

Options:

1

,

3

,

4

,

7

Back

7

Front

In order for an atom to be neutral, what has to be true?

Back

The atom has the same number of protons and electrons.

Front

Which element is represented by the image?

Back

Carbon