year 9 Science Homework Week 5
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Last updated about 4 years ago
22 questions
1
Pure metals are…
Pure metals are…
1
What is an alloy?
What is an alloy?
1
Compared to iron, steel is…
Compared to iron, steel is…
1
Which of these is an alloy?
Which of these is an alloy?
1
Which of these is not an alloy?
Which of these is not an alloy?
1
How are atoms arranged in a pure metal?
How are atoms arranged in a pure metal?
1
D.Which of these is an alloy?
D.Which of these is an alloy?
1
Which is most malleable?
Which is most malleable?
1
Which is strongest?
Which is strongest?
1
What is bronze an alloy of?
What is bronze an alloy of?
1
What is brass an alloy of?
What is brass an alloy of?
1
What is the gold used in jewellery commonly alloyed with?
What is the gold used in jewellery commonly alloyed with?
1
What group on the periodic table are the alkali metals?
What group on the periodic table are the alkali metals?
1
How does the atomic radius change going down the group?
How does the atomic radius change going down the group?
1
Which alkali metal has the largest atomic radius?
Which alkali metal has the largest atomic radius?
1
Which is the least reactive?
Which is the least reactive?
1
Which is the least reactive?
Which is the least reactive?
1
Which subatomic particle gives the nucleus a positive charge?
Which subatomic particle gives the nucleus a positive charge?
1
What is the force called that holds the outer electron near the nucleus?
What is the force called that holds the outer electron near the nucleus?
1
Why is the electrostatic attraction weaker in potassium than lithium?
Why is the electrostatic attraction weaker in potassium than lithium?
1
Which is the product in the reaction of an alkali metal and oxygen?
Which is the product in the reaction of an alkali metal and oxygen?
1
Which is the product in the reaction of an alkali metal and water?
Which is the product in the reaction of an alkali metal and water?