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- Multiple ChoicePlease save your changes before editing any questions.
Which subatomic particles are equal?
protons & neutrons
neutrons & electrons
protons & electrons
protons, electrons & neutrons
- Multiple ChoicePlease save your changes before editing any questions.
The pH scale ranges from.......
1 -14
0 -10
0 - 14
1 - 10
- Multiple ChoicePlease save your changes before editing any questions.
Which is NOT a synonym for carbon compounds?
organic compound
macromolecule
inorganic compound
biomolecule
polymer
- Multiple ChoicePlease save your changes before editing any questions.
Which are NOT an example of a mixture? (more than one answer may be possible)
salt & pepper
sand & salt
trail mix
kool aid
soda
- Multiple ChoicePlease save your changes before editing any questions.
Salt and sugar are examples of ............
solvents
solutes
solutions
acids
- Multiple ChoicePlease save your changes before editing any questions.
This represents a...........
nucleic acid
protein
lipid
carbohydrate
- Multiple ChoicePlease save your changes before editing any questions.
This represents a ..............
lipid
nucleic acid
protein
carbohydrate
- Multiple ChoicePlease save your changes before editing any questions.
Which subatomic particles are located in the nucleus?
protons
electrons
neutrons
none
- Multiple ChoicePlease save your changes before editing any questions.
Acids release which ions ?
hydroxide ions
no ions
hydrogen ions
hydroxide and hydrogen ions
- Multiple ChoicePlease save your changes before editing any questions.
Bases release which ions ?
hydroxide ions
no ions
hydrogen ions
hydroxide and hydrogen ions
- Multiple ChoicePlease save your changes before editing any questions.
Which are characteristics of water?
universal solvent
resist temperature change
2 hydrogens and 1 oxygen
polar molecule
shrinks when it freezes
- Multiple ChoicePlease save your changes before editing any questions.
Which 3 elements are commonly found in carbon compounds?
nitrogen
oxygen
phosphorus
carbon
hydrogen