Final exam review physical science
Flashcard
•
Chemistry
•
6th - 8th Grade
•
Hard
Wayground Content
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15 questions
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1.
FLASHCARD QUESTION
Front
Why do scientists most want to learn more about fusion?
Back
To make energy for people to use.
2.
FLASHCARD QUESTION
Front
What group are the Alkali Metals in?
Back
1
3.
FLASHCARD QUESTION
Front
What are isotopes?
Back
Atoms of the same element that have different numbers of neutrons.
4.
FLASHCARD QUESTION
Front
What is the correct formula for Sodium Oxide?
Back
Na2O
5.
FLASHCARD QUESTION
Front
Balance this equation: H2 + Cl2 ---> ?
Back
H2 + Cl2 ---> 2HCl.
6.
FLASHCARD QUESTION
Front
What is fusion in the context of physical science?
Back
Fusion is the process where two light atomic nuclei combine to form a heavier nucleus, releasing energy.
7.
FLASHCARD QUESTION
Front
What are the main characteristics of Alkali Metals?
Back
They are highly reactive, have one electron in their outer shell, and are found in group 1 of the periodic table.
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