Elements and Compounds Practice
Authored by Riley Nelson
Science
7th Grade
NGSS covered
Used 17+ times
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18 questions
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1.
MULTIPLE CHOICE QUESTION
30 mins • 1 pt
Which of the following is an example of an element?
2.
MULTIPLE CHOICE QUESTION
30 mins • 1 pt
What does a chemical formula represent?
The number of atoms in a molecule
The types and numbers of atoms in a substance
The physical state of a substance
The color of a substance
Tags
NGSS.MS-PS1-1
3.
MULTIPLE CHOICE QUESTION
30 mins • 1 pt
Which of the following is a compound?
Tags
NGSS.MS-PS1-1
4.
MULTIPLE CHOICE QUESTION
30 mins • 1 pt
What is the chemical symbol for sodium?
S
Na
So
Sd
5.
MULTIPLE CHOICE QUESTION
30 mins • 1 pt
Which of the following statements is true about elements?
Elements are made up of only one type of atom.
Elements are made up of two or more types of atoms.
Elements can be broken down into simpler substances by chemical means.
Elements always exist as molecules.
6.
MULTIPLE CHOICE QUESTION
30 mins • 1 pt
Which of the following best describes a molecule?
A single atom of an element
Two or more atoms chemically bonded together
A mixture of different substances
A physical change in matter
Tags
NGSS.MS-PS1-1
7.
MULTIPLE CHOICE QUESTION
30 mins • 1 pt
Which of the following is a correct chemical formula for a compound?
Tags
NGSS.MS-PS1-1
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