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WorksheetsBasic BioChemistry
Total questions: 13
Worksheet time: 6mins
Name
Class
Date
1.
The measurement of an element's affinity for electrons is called:
a)
Electronegativity
b)
Valence Shell
c)
Atomic Radius
d)
Pauling Quotient
2.
Which of the following is not an element found in large abundance in organisms?
a)
Calcium
b)
Carbon
c)
Hydrogen
d)
Nitrogen
3.
The elements: C H O N typically represent what proportion of an organism's element make up?
a)
78%
b)
68%
c)
96%
d)
82%
4.
Bonds where there is unequal sharing of electrons are called:
a)
Polar Covalent Bonds
b)
Non-Polar Covalent Bonds
c)
Ionic Bonds
d)
London Forces
5.
Ionic Bonds form when ΔEn is
a)
Above 1.7
b)
Below 1.7
c)
Less than 0.4
d)
Between 1.7 and 0.4
6.
How many valence electrons are present in Carbon?
a)
6
b)
4
c)
3
d)
8
7.
Atoms that have the same number of protons but differ in the amount of neutrons are called:
a)
Ions
b)
Isotopes
c)
Noble Gases
d)
Actinides
8.
NaCl is an example of a _____________ compound
a)
Ionic
b)
Polar
c)
Non-Polar
d)
Organic
9.
Carbon Tetrachloride (CCl4) is a __________ compound.
a)
Ionic
b)
Polar
c)
Non-Polar
d)
DiAtomic
10.
The outermost set of electrons around an atom are called:
a)
Electronegativity
b)
Quantum Number
c)
Valence Electrons
d)
Oxidation Number
11.
How many valence electrons are in Phosphorus?
a)
1
b)
5
c)
3
d)
9
12.
Atoms that have gained or lost electrons are called:
a)
Ions
b)
Isotopes
c)
Isomers
d)
Neutrinos
13.
The number of protons in a nucleus is given by the:
a)
Atomic Number
b)
Atomic Mass
c)
Electronegativity
d)
Group Number
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