C2.1 - Periodic table

Question 1

What does the stepped line tell us on the periodic table?

Answer 1

Which side has metals and which side has non-metals.

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Question 2

Name 3 properties of a metal.

Answer 2

good conductor of electricity
good conductor of heat
shiny
high density (heavy)
malleable (hammer it into different shapes)
ductile (pulled into wires)
sonorous (ringing sound when hit)

Question 3

Name 3 properties of a non-metal.

Answer 3

poor conductor of electricity
poor conductor of heat
dull
low density (light)
brittle
not sonorous

Question 4

What are the elements called that are near the stepped line?

Answer 4

Metalloids

Question 5

What are the vertical columns called in the periodic table?

What are the horizontal columns called in the periodic table?

Answer 5

Groups

Periods

Question 6

Group 1 - The alkali metals

What is one chemical property of the group 1 elements.

Answer 6

They are very reactive. This means that they take part easily in chemical reactions.

Question 7

Do reactions get more or less vigorous when going down group 1?

Answer 7

It becomes more vigorous.

Question 8

Do the melting points increase or decrease while moving down group 1.

Answer 8

They decrease.

Question 9

Group 7 - The halogens

Does the reactivity increase or decrease whilst moving down this group?

Answer 9

The reactivity decreases.

Question 10

Does the boiling points of group 7 increase or decrease while moving down the group.

Answer 10

The boiling point increases.

Question 11

What is a displacement reaction?

Answer 11

A displacement reaction is when a more reactive element displaces, or pushes out, a less reactive element from its compound.

Question 12

Group 0 -

Are the noble gases reactive or unreactive?

Answer 12

They are unreactive.