What is the formula for calculating density?
Chemistry Semester 1 Exam Review

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Chemistry
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10th - 12th Grade
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Hard
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1.
FLASHCARD QUESTION
Front
Back
Density = Mass / Volume
2.
FLASHCARD QUESTION
Front
What is the density of an object having a mass of 8.0 g and a volume of 25 cm³?
Back
0.32 g/cm³
3.
FLASHCARD QUESTION
Front
What is the main conclusion of Rutherford's gold foil experiment?
Back
The nucleus is small, dense, and positively charged.
4.
FLASHCARD QUESTION
Front
What is the atomic model proposed by Niels Bohr?
Back
Electrons travel in specific paths or orbits around the nucleus.
5.
FLASHCARD QUESTION
Front
What is the significance of Thomson's cathode-ray tube experiment?
Back
It led to the discovery of the electron.
6.
FLASHCARD QUESTION
Front
What is Avogadro's number?
Back
6.02 x 10²³, the number of atoms or molecules in one mole.
7.
FLASHCARD QUESTION
Front
What is the charge of a proton?
Back
+1
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