What is a molecule?
molecules&compounds

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•
Science
•
8th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
A molecule is a group of two or more atoms bonded together, representing the smallest fundamental unit of a chemical compound.
2.
FLASHCARD QUESTION
Front
What is a compound?
Back
A compound is a substance formed when two or more different elements are chemically bonded together.
3.
FLASHCARD QUESTION
Front
What is the chemical formula for methane?
Back
CH4
4.
FLASHCARD QUESTION
Front
What is the chemical formula for carbon dioxide?
Back
CO2
5.
FLASHCARD QUESTION
Front
What is the atomic weight of an element?
Back
The atomic weight is the average mass of an element's atoms, measured in atomic mass units (amu).
6.
FLASHCARD QUESTION
Front
How many protons does an atom of carbon have?
Back
6
7.
FLASHCARD QUESTION
Front
What is the significance of the periodic table?
Back
The periodic table organizes all known elements based on their atomic number, electron configuration, and recurring chemical properties.
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