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Atomic Structure
Test Description: Atomic Structure
Instructions: Answer all questions to get your test result.
1) The Atomic Number of an element is equal to...
A
its number of protons.
B
its number of neutrons.
C
its weight.
D
its total number of subatomic particles.
2) A proton is...
A
a particle in the nucleus of the atom with no charge.
B
a negatively charged particle surrounding the nucleus of the atom.
C
a positively charged particle in the nucleus of the atom.
D
a negatively charged particle in the nucleus of the atom.
3) An electron is...
A
a particle surrounding the nucleus of the atom with no charge.
B
a positively charged particle surrounding the nucleus of the atom.
C
a negatively charged particle surrounding the nucleus of the atom.
D
a negatively charged particle in the nucleus of the atom.
4) A neutron is...
A
a negatively charged particle in the nucleus of the atom.
B
a positively charged particle in the nucleus of the atom.
C
a particle surrounding the nucleus of the atom with no charge.
D
a particle in the nucleus that has no charge.
5) Electrons are...
A
smaller than protons, but only by a little.
B
bigger than protons.
C
the same size as protons.
D
a lot smaller than protons.
6) The vast majority of an atoms mass comes from its...
A
protons only.
B
protons and neutrons.
C
electrons only.
D
protons and electrons.
7) In an atom, the electrons are located...
A
in a giant, totally random cloud around the nucleus.
B
in the nucleus.
C
in three dimensional regions around the nucleus that are different distances away from the nucleus.
D
in two dimensional circles around the nucleus.
8) The number of electrons that fit into one level around the nucleus is...
A
2 for the innermost level, 8 for the next level, 32 for the next level, 128 for the next level, etc.
B
infinite.
C
2 for the innermost level and 8 for all other levels.
D
8 for every level.
9) Electrons are held around the nucleus of an atom by...
A
the power of love.
B
their attraction to the oppositely charged neutrons.
C
their attraction to the oppositely charged protons.
D
glue.
10) Valence electrons are...
A
the electrons located in the outermost energy level.
B
the electrons located in the innermost energy level.
C
electrons that don't have a charge.
D
located in the nucleus.
*select an answer for all questions
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