Atoms, Molecules, and Elements
Authored by Amanda Greeves
Science
6th - 8th Grade
NGSS covered
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40 questions
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1.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Which subatomic particle is located in the nucleus?
electron
proton
neutron
ion
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the charge of a proton?
Positive
Negative
Neutral
Variable
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the smallest unit of an element?
atom
molecule
compound
particle
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is NOT a compound?
Water (H2O)
Oxygen (O2)
Sodium Chloride (NaCl)
Carbon Dioxide (CO2)
Tags
NGSS.MS-PS1-1
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which group in the periodic table contains noble gases?
group 1
group 2
group 17
group 18
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How are elements arranged in the periodic table?
Alphabetically
By atomic mass
By atomic number
By chemical reactivity
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is an example of a physical change?
a) Burning wood
b) Digesting food
c) Melting ice
d) Rusting iron
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