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Metals and Alloys
Salt
100
a change in which substances before the change are different from those after the change.
What is a chamical reaction?
100
the substances before an chemical change
What are the reactants?
100
burining a candle
What is a release of light?
100
about 3/4 of the elements on the periodic table
What are metals?
100
It changes colors in ways to help you tell what a substance is
What is an indicator?
200
a compound made of a metal and a nonmetal
What is salt?
200
the new substances after the change
What is the product?
200
droping an antacid into a glass of water
What is forming a gas?
200
the temperature at which a solid turn into a liquid
What is it's melting point?
200
Tasts sour and turns blue litmus paper red
What is an acid?
300
anything that lets heat and electricity flow through easily.
What is a conductor?
300
how easily a substance takes part in a chemical reaction
What is reactivity?
300
bleach whitens a stain
What is a color change?
300
a combination of copper and zinc
What is an alloy(brass)?
300
Soap is an example of this
What is a base?
400
a mixture of two or more metals and nonmetals
What is an alloy?
400
They become more reactive as you move down the periodic table column
What are metals reactivity?
400
slap bags that you put into your gloves while in a cold location
What is a temperature change?
400
This helps prevent the flow of heat and electricity
What is an insulator?
400
the tool used to measure the strength of an acid or a base
What is a pH Scale?
500
to add an acid and base together so that each cancels out the effects of the other
What is neutralize?
500
They become less reactive as you move down the periodic table column
What are nonmetals?
500
metals may turn rusty, black or green
What is forms a tarnish?
500
Rust is it's common name
What is Iron Oxide?
500
a combination of an acid and a base
What is salt?
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