Atomic Structure Review

The smallest particle of an element.

• Element

• Molecule

• Atom

• Electron

A physical model that depicts the atom as a small positively charged nucleus with electrons in orbit at different levels.

• Billiard Ball Model

• Plum Pudding Model

• Bohr Model

• Lewis Dot Structure

What is one way Neutrons are different from electrons?

• Neutrons have a negative charge while electrons are neutral.

• Neutrons have no charge, while electrons have a negative charge.

• Electrons have mass while neutrons don't have mass.

• Electrons are inside nucleus and neutrons are outside the nucleus.

How are electrons similar to neutrons?

• Both have a negative charge

• Both have mass

• Both make up parts of an atom

• Both are in the nucleus

What is the atomic number?

• 35

• 18

• 17

• 52

How many protons and electrons does this element have?

• 35

• 18

• 17

• 52

How many neutrons does Chlorine have?

• 18

• 17

• 35

• 52

What is the atomic mass of Neon?

• 10

• 20

• 30

• 2

How many neutrons does calcium have?

• 20

• 40

• 60

• 0

What is the atomic mass of Arsenic?

• 33

• 107

• 75

• 3