8th Grade Science STAAR - Cat. 1 Review
Authored by Karen Sanchez
Science
8th Grade
NGSS covered
Used 9+ times
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44 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the charge of a proton?
Neutral/No Charge
Negative
Positive
Variable
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Where is the neutron located in an atom?
Electron Cloud
Nucleus
Outside the atom
In the proton
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Most of the mass of an atom is found in the __________, and most of the volume of an atom is empty space in the __________.
Nucleus, Electron Cloud
Electron Cloud, Nucleus
Proton, Neutron
Neutron, Proton
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the total number of protons, neutrons, and electrons in an atom that has a mass of 186?
Proton - 75, Electron - 75, Neutron - 111
Proton - 93, Electron - 93, Neutron - 93
Proton - 75, Electron - 75, Neutron - 111
Proton - 111, Electron - 111, Neutron - 75
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the difference in the number of electrons between one atom of Potassium (K) and Radon (Rn)?
67
86
19
75
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How many valence electrons does magnesium have?
1
2
7
8
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How many valence electrons does fluorine have?
1
2
7
8
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