What is the smallest unit of an element that maintains the properties of that element?
Elements R12

Quiz
•
Science
•
8th Grade
•
Medium
Dr Southern
Used 3+ times
FREE Resource
12 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Compound
Atom
Molecule
Mixture
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is a pure substance made of two or more elements that are chemically combined?
Mixture
Solution
Compound
Suspension
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What do you call a substance that consists of two or more substances mixed together but not chemically combined?
Element
Compound
Mixture
Molecule
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is NOT a characteristic of a compound?
Has a fixed composition
Can be separated by physical means
Made of elements in a specific ratio
Has properties different from its component elements
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the correct representation for a molecule of water?
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is an example of a mixture?
Salt (NaCl)
Water (H2O)
Air
Carbon Dioxide (CO2)
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How many atoms are in a single molecule of carbon dioxide (CO2)?
1
2
3
4
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