Elements, Compounds and mixtures
Flashcard
•
Science
•
8th Grade
•
Practice Problem
•
Easy
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15 questions
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1.
FLASHCARD QUESTION
Front
What is a compound?
Back
A compound is a substance formed when two or more different atoms are chemically bonded together.
2.
FLASHCARD QUESTION
Front
What is the atomic mass of Neon?
Back
The atomic mass of Neon is 20.18.
3.
FLASHCARD QUESTION
Front
What is mass number?
Back
Mass number is the total number of protons and neutrons in an atom's nucleus.
4.
FLASHCARD QUESTION
Front
What are examples of mixtures?
Back
Examples of mixtures include milk and gasoline.
5.
FLASHCARD QUESTION
Front
How many neutrons are in a Gold atom?
Back
A Gold atom has 118 neutrons.
6.
FLASHCARD QUESTION
Front
What is an element?
Back
An element is a pure substance that cannot be broken down into simpler substances by chemical means.
7.
FLASHCARD QUESTION
Front
What is a mixture?
Back
A mixture is a combination of two or more substances that are not chemically bonded.
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