Final Elements And Compounds Question Preview (ID: 52666)
Practice.
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How many different types of atoms do elements have?
a) 10
b) 20
c) 1
d) None
_______ have chemical formulas
a) Compounds
b) Elements
c) Mixtures
d) None of the above
_______have a chemical symbol that is 1 or 2 letters and the first letter is always capitalized
a) Compounds
b) Mixtures
c) Elements
d) None of the above
WHich of the following is a compound
a) CO
b) H
c) Ne
d) Co
What trick do we use to find the elements in a compound?
a) Count the small numbers
b) Count the lowercase letters
c) Count the capital letters
d) None of the above
Which of the following do elements and compounds have in common
a) They both have a chemical symbol
b) They are both pure
c) They both are made of 2 or more elements
d) None of the above
A pure substance made of two or more different elements that have chemically combined
a) Element
b) Compound
c) Mixture
d) None of the above
A pure substance made of 1 type of atom
a) Element
b) Compound
c) Mixture
d) None of the above
What can you find on the periodic table?
a) Compounds
b) Mixtures
c) Elements
d) None of the above
If there is no number next to a symbol what number do we pretend is there?
a) 1
b) 20
c) 0
d) 5
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