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science-metals
science
15
Science
8th Grade
05/12/2016

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Cards

Term
what does a metal give of when reacted with water
Definition
an oxide and hydrogen
Term
whats the chemical symbol for iron
Definition
fe
Term
whats the chemical symbol for sodium
Definition
na
Term
whats the chemical symbol for helium
Definition
he
Term
what is the chemical symbol for hydrogen
Definition
h
Term
what does a metal give when reacted with acid
Definition
hydrogen and a salt
Term
what is the most reactive metal out of
potassium
sodium
iron
and silver
Definition
potassium
Term
how long is franciums lifespan
Definition
22mins
Term
how long does t take for iron to rust
Definition
over 24 hours
Term
what is rusting caused by
Definition
metals reacting to oxegen and water at the same time
Term
how do you deter rust
Definition
by varnishing or painting the object
Term
what happens to potassium when reacted with water
Definition
it goes into a purple flame
Term
what happens to iron when burned
Definition
it sparkles and emits sparks
Term
what happens to magnesium if reacted with water
Definition
it bubbles
Term
what happens if you react magnesium with oxegen
Definition
it glows like an LED
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