
Physical Science Midterm Review 2023
Flashcard
•
Chemistry
•
9th Grade
•
Practice Problem
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
What are isotopes?
Back
Isotopes are variants of a chemical element that have the same number of protons but different numbers of neutrons.
2.
FLASHCARD QUESTION
Front
What is the difference between C-12, C-13, and C-14?
Back
C-12, C-13, and C-14 have the same number of protons and electrons, but different numbers of neutrons.
3.
FLASHCARD QUESTION
Front
What is surface tension?
Back
Surface tension is the property of a liquid that allows it to resist an external force, due to the cohesive nature of its molecules.
4.
FLASHCARD QUESTION
Front
What is the name of the compound formed between Beryllium and Nitrogen?
Back
Beryllium Nitride.
5.
FLASHCARD QUESTION
Front
What is the name of the compound formed between Calcium and Chlorine?
Back
Calcium Chloride.
6.
FLASHCARD QUESTION
Front
What is a decomposition reaction?
Back
A decomposition reaction is a type of chemical reaction where one reactant breaks down into two or more products.
7.
FLASHCARD QUESTION
Front
How many reactants are in a decomposition reaction?
Back
There is 1 reactant in a decomposition reaction.
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