Counting Subatomics & Isotopes
Authored by Cheryl Wilcox
Chemistry
8th Grade
NGSS covered
Used 41+ times
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25 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How many protons are in lead?
207
82
298
125
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
How many neutrons are in sodium?
23
11
34
12
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How many electrons are in barium?
56
137
193
81
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does the atomic mass stand for?
number of protons
number of electrons
number of neutrons
number of protons and neutrons
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does the atomic number stand for?
number of protons
number of neutrons
number of electrons
number of protons and neutrons
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
If you know the atomic number of an element, what other two values do you know?
the number of protons, the number of neutrons
the number of protons, the number of electrons
the atomic mass, the number of protons
the number of neutrons, the number of electrons
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How many protons are in cobalt?
27
59
32
86
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