Ions
Other Sciences
6th - 7th Grade
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10 questions
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1.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Valence electrons are:
Electrons farthest away from the nucleus
Electrons closest to the nucleus
Electrons that just come and go - they don't stay with the atom
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Ions are:
atoms with a positive or negative charge
atoms with no charge
atoms with ONLY a positive charge
atoms with ONLY a negative charge
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
When an atom loses a valence electron, it becomes a(n) _____________ ion.
positive
negative
neutral
polyatomic
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Negative ions form when atoms _________ valence electrons.
lose
gain
share
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
all matter is made of what
energy
atoms
electrons
compounds
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The positive particles of an atom are
electrons
positrons
neutrons
protons
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
the central region of an atom where its neutrons and protons are is its
nucleus
electron cloud
core
center
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