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