Chapter 4, Earth Chemistry
Flashcard
•
Social Studies
•
8th - 12th Grade
•
Practice Problem
•
Hard
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1.
FLASHCARD QUESTION
Front
The weighted average of the atomic masses of an elements naturally occurring isotopes is...
Back
average atomic mass
2.
FLASHCARD QUESTION
Front
Isotopes have the same number of protons but different number of...
Back
neutrons
3.
FLASHCARD QUESTION
Front
Mass number is the sum of...
Back
protons and neutrons
4.
FLASHCARD QUESTION
Front
How many atoms of sodium, Na, are in NaCl?
Back
1
5.
FLASHCARD QUESTION
Front
What does the "2" mean in the formula for water, H2O?
Back
2 hydrogen atoms
6.
FLASHCARD QUESTION
Front
What are two ways electrons in atoms form chemical bonds?
Back
transferring and sharing electrons
7.
FLASHCARD QUESTION
Front
Which subatomic particles make up the nucleus? Options: protons and electrons, neutrons and electrons, protons and neutrons, just protons
Back
protons and neutrons
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