What is at the center of every atom?
Bath Bomb Unit Final

Flashcard
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Chemistry
•
7th Grade
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
Back
The nucleus is at the center of every atom, containing protons and neutrons.
2.
FLASHCARD QUESTION
Front
Melting point: Chemical or Physical Property?
Back
Melting point is a Physical Property.
3.
FLASHCARD QUESTION
Front
What is located on the horizontal rows on the Periodic Table?
Back
The horizontal rows on the Periodic Table are called periods.
4.
FLASHCARD QUESTION
Front
In a reaction A + B ----> C, if reactant A has 5g and product C has 9g, how many grams does reactant B have?
Back
Reactant B has 4g.
5.
FLASHCARD QUESTION
Front
Describe a sample that is a combination of different elements.
Back
A mixture of elements is a sample that contains two or more different elements that are not chemically bonded.
6.
FLASHCARD QUESTION
Front
What is a pure element?
Back
A pure element consists of only one type of atom and cannot be broken down into simpler substances.
7.
FLASHCARD QUESTION
Front
What is a pure compound?
Back
A pure compound is a substance formed when two or more elements are chemically bonded together in a fixed ratio.
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