Periodic Table 8th grade
Authored by Jennifer McCreight
Chemistry
8th Grade
NGSS covered
Used 272+ times
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25 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Mendeleev arranged the periodic table by
decreasing electrons
increasing atomic number
increasing neutrons
decreasing atomic mass
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The vertical columns on the periodic table are called
Actinide series
transitional metals
periods
groups or families
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The horizontal rows on the periodic table are called
periods
transitional metals
Actinide series
groups or families
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which number is the atomic mass of Argon?
18
40
40 - 18 = 22
40 + 18 = 58
Tags
NGSS.MS-PS1-1
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How many protons does Bromine have?
167
80 - 35 = 45
35
80
Tags
NGSS.MS-PS1-1
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How many electrons does Boron have?
5
11
11 + 5 = 16
42
Tags
NGSS.MS-PS1-1
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How many valence electrons does Carbon have?
1
3
4
8
Tags
NGSS.MS-PS1-1
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