Chemistry

Question 1

What is a group

Answer 1

vertical columns of elements with similar properties

Question 2

What is a period in the periodic table

Answer 2

Horizontal rows of elements

Question 3

What does the black line seporate

Answer 3

The metals and non-metals

Question 4

Name 2 semi-metals

Answer 4

Silicon , Germanium

Question 5

Name 2 elements that are liquid at room temperature

Answer 5

Mercury (Hg), Bromine (Br)

Question 6

What state are most non metals in at room temperature

Answer 6

Gases

Question 7

Name two scientists who developed the periodic table

Answer 7

John Newlands
Dmitri Mendeleev

Question 8

Are Metals
Shiny or Dull

Answer 8

Shiny

Question 9

Are Non-metals flexible or brittle

Answer 9

Brittle

Question 10

Are Non metals Conductors or Insulators

Answer 10

Insulators

Question 11

Are metals high or low density

Answer 11

High density

Question 12

Do metals have a high or low melting point

Answer 12

High melting point

Question 13

Do metals have a high or low boiling point

Answer 13

High

Question 14

Are Non metals strong or weak

Answer 14

Weak

Question 15

Why are Alkali metals stored under oil

Answer 15

So they don’t react with water that could be trapped in side

Question 16

List the Alkali metals from least to most reactive

Answer 16

Lithium, Sodium, Potassium, Rubidium, Caesium, Francium