Science STAAR Review Texas
Authored by Charles Martinez
Science
8th Grade
NGSS covered
Used 2+ times
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50 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
An atom with atomic number 6 would have how many protons?
6
12
3
cannot be determined
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Particles in an atom that are neutral and have no charge are -
negatrons
electrons
neutrons
protons
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
If an atom has 10 protons, 10 neutrons, and 10 electrons, what is the mass of the atom?
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
If the mass number of this chlorine atom is 36, how many neutrons does it have?
17
18
19
can't be determined
Tags
NGSS.MS-PS1-1
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the mass number of the atom shown in the Bohr model?
11
12
23
Can't be determined
Tags
NGSS.MS-PS1-1
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The vertical (up and down) columns in the Periodic Table are called
groups
towers
periods
atomic numbers
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The horizontal (side to side) rows in the Periodic Table are called
groups
families
periods
atomic numbers
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