Chemistry Fall Review
Flashcard
•
Chemistry
•
11th Grade
•
Practice Problem
•
Hard
Wayground Content
FREE Resource
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15 questions
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1.
FLASHCARD QUESTION
Front
What type of electromagnetic wave has the highest frequency?
Back
Gamma rays have the highest frequency among electromagnetic waves.
2.
FLASHCARD QUESTION
Front
What type of compound is formed between magnesium and oxygen?
Back
MgO is an ionic compound.
3.
FLASHCARD QUESTION
Front
Is aluminum an element, compound, heterogeneous mixture, or homogeneous mixture?
Back
Aluminum is an element.
4.
FLASHCARD QUESTION
Front
How do you calculate the average atomic mass of an element with two isotopes?
Back
Average atomic mass = (mass1 * abundance1 + mass2 * abundance2) / 100. For Al's isotopes: (10.013 * 19.9 + 11.01 * 80.1) / 100 = 10.812 amu.
5.
FLASHCARD QUESTION
Front
Which element is most likely to form an ionic bond with chlorine?
Back
Calcium is most likely to form an ionic bond with chlorine.
6.
FLASHCARD QUESTION
Front
Define ionic bond.
Back
An ionic bond is a chemical bond formed between two ions with opposite charges.
7.
FLASHCARD QUESTION
Front
What is the difference between a covalent bond and an ionic bond?
Back
A covalent bond involves the sharing of electron pairs between atoms, while an ionic bond involves the transfer of electrons from one atom to another.
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