Welcome to the Quiz!
This quiz contains 5 questions from a mix of 1 subtopics.
gain / lose / positive / negative
When metal atoms react, they electron(s) from their outer shell.
This creates ions with a charge.
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Fluorine atoms have 7 electrons in their outer shell. In chemical reactions, do they gain or lose electron(s)?
Gain
Lose
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Select three general properties of metals:
Good conductors of heat
Malleable
Sonorous (produce a ringing sound when struck)
Low density
Low boiling and melting points
Brittle
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metallic / malleable / brittle / shiny
Metals are very strong, as the ions are held together by bonds.
They also tend to be , which means they can bend without breaking.
Non-metals, in contrast, break easily, and so are said to be .
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Many transition metals can be used as catalysts. What is the definition of a catalyst?
A metal which produces a ringing sound when struck
A compound containing both metal and non-metal elements
A substance that can speed up a chemical reaction without being used up
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