Chemical reaction
What is Solution
Periodic Table
Chemical Bonds
100
d
What is a chemical change
100
This is a type of matter
What is a compound?
100
Has the lowest melting point of any metal at -39 degrees
a) What is rhodium b) What is chromium c) What is mercury (answer is c)
100
the term formula represents what
What is molecule
200
c:endothermic
What is reactions that release energy
200
Substances are their another names
What are elements and compounds called?
200
Describes the element tellurium
What is a mellatoid?
200
cl- is what
What is a negitive ion
300
Another name for solutions
What are homogreneous mixtures?
300
Not essential for living organisms
a)What is strontium? b)What is sulfur? c)What is selenium? d)What is sodium? (answer is a)
300
what is shared unequally
What is polar convalent bonds
400
Compounds always do this
What always contain portions?
400
An element NOT found uncombined in nature
What is calcium?
400
In the formula CO2 what does the subscript mean
What is 2 oxygen atoms
500
This prefix means different
What does hetero mean?
500
To be used as an insulator
What is unlikely to happen to zinc
500
the term ions represents what
What is a ionic bond
M
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