Ions and Isotopes
Authored by Ian Duff
Science
7th Grade
NGSS covered
Used 41+ times
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19 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
An atom with the same number of protons and electrons (no charge) and the expected atomic mass or number of neutrons from the periodic table.
Neutral/Normal Atom
Ion
Isotope
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
An atom that has gained or lost electrons in an attempt to become stable/bond with another atom.
Normal/Neutral Atom
Ion
Isotope
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A negatively charged ion that has gained electrons to satisfy the octet rule (metals do this)
Anion
Cation
Neutral Atom
Isotope
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A positively charged ion that has lost electrons to satisfy the octet rule (non-metals do this)
Anion
Cation
Neutral Atom
Isotope
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Atoms of the same element that have different mass than expected because they have a different number of neutrons.
Neutral Atom
Ion
Isotope
Cation
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
If an atom has 9 protons and 10 electrons it has a charge of ____.
0
-1
+1
-2
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
If an atom has 4 protons and 2 electrons it has a charge of ____.
0
-2
+2
+1
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