What is the Bohr Model?
Do Now Test (1-18)

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•
Science
•
8th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
The Bohr Model is a representation of the atom that depicts electrons orbiting the nucleus in defined paths or energy levels.
2.
FLASHCARD QUESTION
Front
How many protons does Gold have?
Back
Gold has 79 protons.
3.
FLASHCARD QUESTION
Front
What does the chemical formula 4Li2O represent?
Back
It represents 2 elements (Lithium and Oxygen), with 8 atoms of Lithium and 4 atoms of Oxygen.
4.
FLASHCARD QUESTION
Front
Which of the following elements are nonmetals: Hydrogen, Mercury, Sulfur, Oxygen?
Back
Hydrogen, Sulfur, and Oxygen are nonmetals; Mercury is a metal.
5.
FLASHCARD QUESTION
Front
What is the total number of atoms in the chemical formula 4H2O?
Back
The total number of atoms in 4H2O is 20 (8 Hydrogen and 4 Oxygen).
6.
FLASHCARD QUESTION
Front
What is the atomic number of Silicon?
Back
The atomic number of Silicon is 14.
7.
FLASHCARD QUESTION
Front
Define a molecule.
Back
A molecule is a group of two or more atoms bonded together, representing the smallest fundamental unit of a chemical compound.
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