Structure of Matter

Quiz
•
Science
•
7th Grade
•
Hard
Standards-aligned
Lisa Thompson
FREE Resource
25 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Here are models of 3 different substances. They all have the same chemical formula of C5H12. How is it possible that they have the same formula, but are all different substances?
The number of atoms is different.
The arrangement of the atoms is different.
There is no way this can occur.
Tags
NGSS.MS-PS1-1
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
How many molecules (or groups) are there in 2CH4?
1
2
3
4
Tags
NGSS.MS-PS1-1
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
True or False. Molecules are defined as two or more of the same or different atoms bonded.
True
False
Tags
NGSS.MS-PS1-1
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
True or False. Elements are basic forms of matter that cannot be broken down into a simpler substance
True
False
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Matter is made up of tiny particles called ...
minerals
cells
molecules
atoms
Tags
NGSS.MS-PS1-1
NGSS.MS-PS1-5
6.
DROPDOWN QUESTION
1 min • 1 pt
Elements are made of (a) .
atoms
molecules
Tags
NGSS.MS-PS1-1
7.
DROPDOWN QUESTION
1 min • 1 pt
The number of protons in an atom is also known as the (a) .
Atomic number
Mass number
Neutron number
Electron number
Answer explanation
The number of protons in an atom is also known as the atomic number.
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