Chemical Level of Organization
Authored by Lisa Thompson
Science
7th Grade
NGSS covered
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25 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A Molecule is a. . .
smallest unit of matter
smallest unit of life
group of 2 or more atoms joined by chemical bonds.
composed of only 1 type of atom
Tags
NGSS.MS-PS1-1
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
ALL matter (living and nonliving) is made of
cells
atoms
water
energy
Tags
NGSS.MS-PS1-1
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the basic unit of a chemical element?
Atom
Molecule
Compound
Mixture
Tags
NGSS.MS-PS1-1
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which of the following is a compound?
Oxygen
Water
Hydrogen
Nitrogen
Tags
NGSS.MS-PS1-1
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What type of bond involves the sharing of electron pairs between atoms?
Ionic bond
Covalent bond
Hydrogen bond
Metallic bond
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which of the following is an example of a chemical reaction?
Melting of ice
Rusting of iron
Boiling of water
Breaking a glass
Tags
NGSS.MS-PS1-2
NGSS.MS-PS1-5
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the chemical formula for table salt?
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