Atomic Structure

Question 1

How many valence electrons does an atom of Fluorine have?

Accepted Answer

7

Question 2

Which of these particles have no charge?

Accepted Answer

Neutrons

Question 3

Which 2 particles contribute to an element's atomic mass?

Accepted Answer

Protons & Neutrons

Question 4

Which element would tend to have properties most similar to the element Beryllium (Be)?

Accepted Answer

Magnesium (Mg)

Question 5

How do you calculate the number of neutrons in an atom?

Accepted Answer

= Atomic mass - Atomic number

Question 6

Which type of particle is involved in chemical reactions?

Accepted Answer

Valence electrons

Question 7

The number of electron shells in an atom is the same as the element's:

Accepted Answer

Period (row) number

Question 8

How many valence electrons do (almost) all atoms need to become stable?

Accepted Answer

8

Question 9

What do elements in the same group have in common?

Accepted Answer

Same number of valence electrons

Question 10

What are the 3 basic types of subatomic particles?

Accepted Answer

Protons, Electrons & Neutrons

Question 11

How many electrons can fit in the first energy level?

Accepted Answer

2

Question 12

What is the name of the elements in group 18?

Accepted Answer

Noble gases

Questions 12