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- 1. Multiple Choice
Pure substances are divided into two categories
elements and mixtures
elements and compounds
compounds and mixtures
compounds and pure substances
- 2. Multiple Choice
Pure substance that is the more pure is
elements
compounds
mixtures
atom
- 3. Multiple Choice
This chemical formula is called an
atom
element
compound
substance
- 4. Multiple Choice
Which of the following answer choices is NOT a compound?
NaCl
HMg
Si
PbSO
- 5. Multiple Choice
An element cannot be separated
with an atom
socially
chemically
physically
- 6. Multiple Choice
Which answer choice is an element?
X
Y
W
Z
- 7. Multiple Choice
The colors on this picture gives a clue this image is most likely a
element
compound
mixture
molecule
- 8. Multiple Choice
A substance with 1 capital letter or 1 capital letter and a lower case letter is a
atom
new substance
compound
element
- 9. Multiple Choice
Which of the following answer choices is a compound
N
Si3
H2SO4
Sb
- 10. Multiple Choice
A__________ has a least two or more capital letters.
element
compound
mixture
solution
- 11. Multiple Choice
Which of the following answer choices would NOT be listed on the periodic table?
Carbon (C)
Silver (Ag)
Salt (NaCl)
Lithium (Li)
- 12. Multiple Choice
Which of the following can be separated chemically?
compounds only
compounds and elements
elements and mixtures
solutions and mixtures
- 13. Multiple Choice
H2SO4 sulfuric acid is a
atom based
element
corrosive
compound
- 14. Multiple Choice
Magnesium has a chemical symbol of (Mg) is listed as a
element
compound
solution
atom
- 15. Multiple Choice
How many total elements are in the chemical formula of CHN3Au?
3
4
6
5
- 16. Multiple Choice
An element has _______ number of atoms.
one
two or more
four
three or more
- 17. Multiple Choice
Helium(He) + Helium(He) would be considered an
element with 1 atom of Helium
element with 2 atoms of Helium
compound with 2 atoms of Helium
compound with 1 atom of Helium
- 18. Multiple Choice
How many atoms of Oxygen are in this chemical formula?
one
four
two
three
- 19. Multiple Choice
The table listed above is named
solutions table
compound converter
periodic table of elements
Metals found in the Earth
- 20. Multiple Choice
This substance CANNOT be separated physically or chemically
atom
compound
solution
element
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