What is a cation?
Review- Honors Chemistry First Semester Test (2024-2025)

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Chemistry
•
9th - 12th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
A cation is a positively charged ion.
2.
FLASHCARD QUESTION
Front
What type of elements form cations?
Back
Cations are typically formed by metals.
3.
FLASHCARD QUESTION
Front
What happens to electrons when metals form cations?
Back
Metals lose electrons to form positive ions.
4.
FLASHCARD QUESTION
Front
How do you calculate the number of moles in a substance?
Back
Number of moles = mass (g) / molar mass (g/mol).
5.
FLASHCARD QUESTION
Front
What is the molar mass of carbon dioxide (CO2)?
Back
The molar mass of CO2 is approximately 44.01 g/mol.
6.
FLASHCARD QUESTION
Front
How many moles are in 100 g of CO2?
Back
2.27 mol.
7.
FLASHCARD QUESTION
Front
Which is larger: P or P-3?
Back
P-3 is larger due to the addition of electrons.
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