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