Test review

What is the charge of a proton?

• positive

• negative

• neutral

Where are electrons located?

• In the nucleus

• Outside the nucleus

How many protons does Boron have?

• 6

• 33

• 10

• 5

What is the atomic mass of Iron?

• 55.85

• 58.69

• 12.01

• 39.95

What is the atomic number of Oxygen?

• 10

• 28.09

• 8

• 79.90

What group and period is nitrogen in?

Where are the noble gases located?

• group 6

• group 2

• group 8

• group 7

How many valence electrons does arsenic have?

• 2 valence electrons

• 3 valence electrons

• 4 valence electrons

• 5 valence electrons

How many dots does Phosphorus have in it´s lewis structure?

• 5

• 6

• 2

• 8

How many valence electrons are in the lewis structure of chlorine?

• 37

• 7

• 2

• 5