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- 1. Multiple Choice
_________ are pure substances made of one type of atom.
Compounds
Mixtures
Elements
Photosynthesis
- 2. Multiple Choice
Which of the following is NOT an element?
Water
Nitrogen
Carbon
Sulfur
- 3. Multiple Choice
Which of the following is an element?
Air
Carbon Dioxide
Steel
Oxygen
- 4. Multiple Choice
Every element has a unique name. Elements can also be represented by -
its chemical weight
mass
periodic group
its chemical symbol
- 5. Multiple Choice
Which correctly lists elements?
S2Fe, Al, Sr, O
C, Fe, Al, Sr
h2o, C, Al, S
c, fe, al, sr
- 6. Multiple Choice
What is the difference between an element and a compound?
An element is a pure atom and a compound is a combination of atoms.
An element is a pure substance and a compound is a combination of elements.
Elements are mixtures and compounds are chemically combined.
A element can be made of different atoms and substances while compounds are made of only two different elements.
- 7. Multiple Choice
Which substance is an element?
Water (H2O)
Ammonia (NH3)
Chlorine (Cl)
Carbon Dioxide (CO2)
- 8. Multiple Choice
Which substance is a compound?
SiH3
SiH3
sih3
sih3
- 9. Multiple Choice
Which physical properties are associated with most metals?
Dull, good insulator, brittle
Dull, good conductors, malleable
Shiny, good conductors, malleable
shiny, good insulator, malleable
- 10. Multiple Choice
Atoms are the basic units of ________.
elements
pure substances
the atmosphere
matter
- 11. Multiple Choice
Elements are found in ___________ (solid earth)
lithosphere
biosphere
hydrosphere
universe
- 12. Multiple Choice
Elements are found in the ___________ (living things).
atmosphere
hydrosphere
biosphere
lithosphere
- 13. Multiple Choice
Elements are found in the _________.
lithosphere, biosphere, hydrosphere, and the atmosphere.
lithosphere, elmentsphere, and the universe.
atmosphere, universe, and lithosphere.
periodic table of elements.
- 14. Multiple Choice
Au = _______
Amonia
Silver
Gold
Potassium
- 15. Multiple Choice
Subscripts tell how many ________ of each element are in the compound.
protons
neutrons
nothing, compound have exponents
atoms
- 16. Multiple Choice
If you are observing luster, you are looking to see if an item is ______________?
malleable
a good conductor
bendable
shiny
- 17. Multiple Choice
Metals are malleable, this means they are ___________.
shiny
good conductors of heat and electricity
can be hammered into sheets
dull
- 18. Multiple Choice
The ability to transfer heat and electricity refers to ________.
conductivity
luster
malleability
classification
- 19. Multiple Choice
If an element is shiny, malleable, and a good conductor, you would be looking for a ______________.
metal
non-metal
metalloid
element
- 20. Multiple Choice
If an element is dull, brittle, and a good insulator, you would be looking for a _________________.
metal
nonmetal
metalloid
element
- 21. Multiple Choice
If a mystery element is shiny, brittle and a conductor, you would look under which category?
Metals
Nonmetals
Metalloids
Elements
- 22. Multiple Choice
C12H22O11 how many many elements?
45
2
3
None, it's a compound
- 23. Multiple Choice
Table Sugar (C12H22O11) has how many atoms of hydrogen?
12
22
11
45
- 24. Multiple Choice
In baking soda (NaHCO3) the three represents a ________.
exponent
subscript
element
compound
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