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- 1. Multiple Choice
Biology starts at the level of ___________ and moves through the study of biospheres.
atoms
cells
organs
organisms
- 2. Multiple Choice
The basic building blocks of matter
atoms
elements
molecules
organisms
- 3. Multiple ChoiceWhat are the 3 subatomic particles?Protons, Electrons, NeuronsNeutrons, Protons, ElectronsSolids, Liquids, GasesQuarks, Bosons, Positrons
- 4. Multiple ChoiceWhich of the following has a positive charge?ProtonNeutronElectronIon
- 5. Multiple ChoiceWhich of the following has a negative charge?ElectronProtonNeutronIon
- 6. Multiple ChoiceA section of the Periodic Table of Elements is provided. What is the chemical symbol for magnesium?12Mg24.31Magnesium
- 7. Multiple Choice
A group of two or more atoms that are bonded together
elements
isotopes
molecules
essential elements of life
- 8. Multiple Choice
What is the correct chemical formula for water?
H2O
HO2
H2O2
2H1O
- 9. Multiple Choice
What are the bonds called between a slightly positive hydrogen in a polar molecule and a negatively charged atom?
Hydrogen Bonds
Water Bonds
Covalent Bonds
Bail Bonds
- 10. Multiple ChoiceWhich term corresponds with the definition, "A substance that is dissolved"?SoluteConcentrationMixtureSolvent
- 11. Multiple ChoiceThe pH scale is a range from:1-70-141-51-20
- 12. Multiple ChoiceA(n) ______ is a substance with a pH less than 7AcidAlkalineBaseBuffer
- 13. Multiple ChoiceA(n) _______ is a substance with a pH greater than 7.BaseAcidBufferWater
- 14. Multiple Choice
What are the products of the chemical reaction pictured?
CH4 and CO2
CH4 and O2
CO2 and H2O
O2 and H2O
- 15. Multiple ChoiceThis is used to represent the number of each atom being represented.A ExponentThe CoefficientA MoleculeThe Subscript
- Answer choicesTagsAnswer choicesTags