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Chemistry Of Life
Test Description: Test your knowledge abou the chemistry of life.
Instructions: Answer all questions to get your test result.
1) A covalent bond is formed as the result of
A
sharing of a proton pair
B
transfer of electrons
C
sharing of an electron pair
D
transfer of protons
2) Isotopes are the result of different numbers of
A
protons and electrons
B
electrons
C
protons
D
neutrons
3) In chemical reactions, atoms are
A
neutralized
B
rearranged
C
created
D
destroyed
4) A chemical formula would NOT indicate the
A
elements present
B
number of molecules
C
number of atoms of each element
D
arrangement of atoms
5) When hydrogen and oxygen combine to form water, hydrogen would be a(n)
A
radioisotope
B
reactant
C
product
D
ionic bond
6) Unstable isotopes that emit charged particles are known as
A
molecules
B
radioactive
C
compounds
D
ions
7) A mixture in which particles settle to the bottom is called a
A
solute
B
solvent
C
suspension
D
solution
8) In a neutral atom, the atomic number tells you the number of
A
protons and electrons
B
neutrons
C
protons
D
electrons
9) Which of the following elements are most abundant in the human body?
A
Aluminum
B
Mercury
C
Oxygen
D
Sulfur
10) What subatomic particle(s) are located in the nucleus
A
neutrons
B
protons and neutrons
C
protons
D
protons and electrons
*select an answer for all questions
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