Atoms Molecules and Compounds

Quiz
•
Science
•
7th Grade
•
Hard
Standards-aligned
Lisa Thompson
FREE Resource
15 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Where is most of the mass of the atom located?
In the electrons
In the electron cloud
In the nucleus
All of the answers are correct.
Tags
NGSS.MS-PS1-1
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The smallest unit of an element is a(n) ______________________.
atom
compound
molecule
none of the answers are correct.
3.
MULTIPLE SELECT QUESTION
1 min • 1 pt
Which of the following is true about molecules? Mark all that are correct.
Molecules can be made of only one atom.
Molecules can be made of only one type of element
Molecules can be made of two or more elements
Molecules cannot be made of three elements
Tags
NGSS.MS-PS1-1
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which of the following is NOT an example of a compound?
C6H1206
H20
NH4
O2
Tags
NGSS.MS-PS1-1
5.
MULTIPLE SELECT QUESTION
1 min • 1 pt
Which of the following are contained in the nucleus of most atoms? Check all that are correct.
Electrons
Carbon
Protons
Neutrons
Ribosomes
Tags
NGSS.MS-PS1-1
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
An ordinary atom has an equal number of protons and electrons
True
False
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Carbon dioxide is abbreviated as CO2 because it is made up of 1 carbon atom and 2 oxygen atoms. Carbon dioxide is a/an...
Colloid because it has carbon in it
Compound because it is a molecule with more than one type of atom
Atom because it is the smallest unit of carbon dioxide that exists
Element because carbon and oxygen are both in the periodic table of elements
Tags
NGSS.MS-PS1-1
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