Structure 3.1 The periodic table: classification of elements

Question 1

What is an alkali metal?

Answer 1

Elements in Group 1 (apart from H). Reactive metals + contain 1 valence electron

Question 2

What is a halogen?

Answer 2

Element in Group 17. Diatomic molecules. Reactive non-metals. 7 valence electrons

Question 3

What is a transition element?

Answer 3

Incomplete d shell as atoms/ions. Group 3-12 except Zinc

Question 4

Why is Zinc not a transition metal?

Answer 4

Has a full d subshell at every level

Question 5

What is a noble gas?

Answer 5

Group 18. Inert/unreactive. Single atoms

Question 6

What does a period indicate?

Answer 6

Number of shells occupied with electrons

Question 7

What does a group indicate?

Answer 7

Same number of electrons in outermost shell, subshell + orbital -> similar chemical properties

Question 8

What is a mnemonic to remember metalloids?

Answer 8

Boring Silly Goats Are At The Party