U2 Review (Zeph)
Authored by Kimberlee Martinak
Chemistry
10th - 12th Grade
NGSS covered
Used 47+ times
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20 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Who is most known for the planetary atomic model?
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Metals are to the _____ of the stairs?
Tags
NGSS.HS-PS1-1
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A new element is discovered and named Chemtite. Chemtite-90 occurs 70% of the time and Chemtite-89 is found 30% of the time.
Find the average atomic mass.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Isotopes have a different number of
Electrons
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A new isotope of Carbon has a molar mass of 15g. How many protons does it have?
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
He used a cathode ray to detect electrons
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the full electron configuration for Oxygen?
Tags
NGSS.HS-PS1-1
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