Atomic Structure Quiz

What is the atomic number of an element?

• Number of protons

• Number of neutrons

• Number of isotopes

• Number of electrons

What is the charge of a proton?

• Neutral

• Negative

• Positive

• Zero

What is the charge of an electron?

• negative

• positive

• neutral

What is the charge of a neutron?

• Negative

• Half-charged

• Positive

• Neutral

How many protons are present in a carbon atom?

• 10

• 6

• 4

• 8

How many electrons are present in a neutral oxygen atom?

• 4

• 8

• 10

• 6

How many neutrons are present in a helium atom?

• 2

• 4

• 1

• 3

What is the electron arrangement of sodium?

• 2, 8, 1

• 2, 7, 1

• 2, 8, 0

• 2, 8, 2

How many electron shells does magnesium have?

• 1

• 4

• 3

• 6

What is the maximum number of electrons that can be in the second shell?

• 12

• 8

• 4

• 16