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WorksheetsProperties of metals
Total questions: 15
Worksheet time: 5mins
Which properties of metal makes it a good choice to make a cooking pot out of? Choose TWO
it has luster - it is shiny
it is a good conductor of heat
it is ductile - able to be made into a wire
it has a high melting point
Which property of metals is a CHEMICAL property?
metals corrode over time
metals are more dense than water
metals make a ringing sound when hit
metals are shiny - they have luster
Which property of metals is a PHYSICAL property?
iron can rust
silver can tarnish
iron is magnetic
sodium reacts violently when place in water
Sodium is kept in the oil in Lab .
because it is highly reactive
because its really soft
How can you tell if an element is reacting with the air?
A coating forms on the outside.
Bubbles form.
The color changes.
It disappears.
When sodium reacts with water it produces ___________
hydrogen
carbon dioxide
sodium and potassium react vigorously with dilute hydrochloric acid . According to reactivity which metal will produce more bubbles with high temperature
sodium
potassium
Alkali metals have ___ valence electron(s).
one
two
seven
eight
Copper metals react with water and forms ____ and ____
oxide and hydrogen gas
Hydroxide and hydrogen gas
carbonates and hydrogen gas
No reaction
Iron + Oxygen -->
