All of Chemistry Practice

Match the following

• Neutral

• Proton

• Negative

• Neutron

• Positive

• Electron

Label the Atom

Hint: Red is Positive

Blue is Neutral

a

b

c

Electrons

Protons

Neutrons

Use your Periodic Table to match the following.

• Lithium

• 
• Neon

• 
• Carbon

• 
• Phosphorus

• 
• Bromine

• 

What element is this?

• Helium
• Hydrogen
• Argon
• Silver

Based on the element block, what would be the number of protons and electrons for Lithium?

• 3

• 4

• 6

• 7

Based on the element block, what would be the mass number for Lithium?

• 3

• 4

• 6

• 7

Organize these options into the right categories

Groups:

(a) Protons

,

(b) Neutrons

,

(c) Electrons

• Neutral

• Atomic Mass - Atomic Number

• Positive

• 1 amu - 0

• Negative

• 1 amu - +

• 0 amu

How many protons does this element have?

Mathematical Equivalence

ON

How many electrons does this element have?

Mathematical Equivalence

ON

What is this element's atomic number?

• 10

• 11

• 20

• 20.1797