Chemical Foundations of Life
Biology
9th Grade - University
NGSS covered
Used 110+ times
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21 questions
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1.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
All atoms consist of:
neutrons
protons
electrons
ions
2.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Which of the following have a mass unit of 1:
electrons
protons
ions
neutrons
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The atomic number of an element indicates the number of:
electrons
neutrons
protons
B & C
4.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Which of the following elements make up 98% of all living matter?
hydrogen
nitrogen
carbon
phosphorous
Tags
NGSS.HS-LS1-6
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What determines whether chemical bonding can occur or not?
protons
atoms
electrons
neutrons
Tags
NGSS.HS-PS1-1
NGSS.HS-PS1-2
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
According to the octet rule, elements strive to have ___ valence electrons
6
5
8
2
Tags
NGSS.HS-PS1-1
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Covalent bonds _______ electrons
steal
share
give
borrow
Tags
NGSS.HS-PS1-2
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