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