2.1 Atomic Structure

Question 1

Chemical elements

Answer 1

• 100+ known types
• Cannot be separated into simpler substances

Question 2

Atom’s subunits are

Answer 2

Protons, neutrons, electrons

Question 3

Electrons are located

Answer 3

Around the nucleus in orbitals

Question 4

How many electrons can fit in first orbit

Answer 4

2

Question 5

Second orbital has room for

Answer 5

8 electrons

Question 6

The reactivity of a chemical is dictated by

Answer 6

The number of electrons in the outer orbital