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Introduction To Chemistry
Test Description: Basics of Chemistry for Biology
Instructions: Answer all questions to get your test result.
1) What changes between an ion and atom?
A
Electrons
B
Neutrons
C
Protons
D
Mass
2) What changes between an isotope and atom?
A
Protons
B
Charge
C
Electrons
D
Neutrons
3) Which of the following is the weakest bond?
A
Ionic
B
Hydrogen
C
Nonmetallic Oxidation
D
Covalent
4) Which property of water allows water to stick to water?
A
Adhesion
B
High Specific Heat
C
Universal solvent
D
Cohesion
5) Which property of water allows water to stick to other molecules?
A
Universal solvent
B
Cohesion
C
Adhesion
D
Less dense as a solid
6) Which property of water allows life to live under water?
A
adhesion
B
universal solvent
C
Less dense as a solid
D
cohesion
7) Which of the following is what gets dissolved?
A
Solution
B
Solute
C
Solvent
D
Mixture
8) Which of the following does the dissolving?
A
solvent
B
mixture
C
solute
D
solution
9) How do you determine the number of protons present?
A
Atomic mass
B
Atomic number
C
Chemical symbol
D
Number of neutrons
10) How do you determine mass?
A
Add electrons and neutrons
B
Add protons and neutrons
C
Add protons and electrons
D
Neutrons only
11) What is a cation?
A
A positively charged ion
B
A cat that won't stop meowing
C
A negatively charged ion
D
A neutrally charged ion
12) Where are valence electrons found?
A
Outermost shell
B
All shells except the innermost
C
All shells except the outermost
D
Innermost shell
13) What do valence electrons determine?
A
Net Charge
B
Stability
C
Temperature
D
Mass
14) Water is considered a:
A
Non-polar molecule
B
Polar molecule
15) Which describes covalent bonding?
A
Between hydrogen atoms
B
Shares electrons
C
Transfers electrons
D
Weakest bonding
16) How many electrons are required for a full shell?
A
2
B
Innermost -2; rest - 8
C
Innermost - 8; all the rest - 2
D
8
17) How do you determine the number of shells?
A
Periods
B
Group
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