C8.1

Question 1

What is the Periodic Table?

Answer 1

An arrangement of elements in periods and groups in order of increasing proton number / atomic number.

Question 2

What character changes occur across a period in the Periodic Table?

Answer 2

Change from metallic to non-metallic character.

Question 3

What explains the similarities in chemical properties of elements in the same group of the Periodic Table?

Answer 3

Their electronic configuration.

Question 4

What happens as you move down the periodic table

Answer 4

Number of electron orbitals increase

Question 5

What happens when you move across the group

Answer 5

Number of electrons in last orbital increase