Chemistry Fall Review
Flashcard
•
Chemistry
•
11th Grade
•
Practice Problem
•
Hard
Wayground Content
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15 questions
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1.
FLASHCARD QUESTION
Front
What is the electron configuration for Potassium?
Back
1s2 2s2 2p6 3s2 3p6 4s1
2.
FLASHCARD QUESTION
Front
Identify the element with the electron configuration: [Ar] 4s2 3d10 4p3.
Back
Gallium
3.
FLASHCARD QUESTION
Front
Which electromagnetic wave has the highest frequency?
Back
Gamma rays
4.
FLASHCARD QUESTION
Front
What is the average atomic mass of an element with two isotopes: 10.013 amu (19.9% abundance) and 11.01 amu (80.1% abundance)?
Back
10.812 amu, Boron
5.
FLASHCARD QUESTION
Front
Is Aluminum (Al) an element, compound, heterogeneous mixture, or homogeneous mixture?
Back
Element
6.
FLASHCARD QUESTION
Front
Define isotopes.
Back
Isotopes are variants of a particular chemical element that have the same number of protons but different numbers of neutrons.
7.
FLASHCARD QUESTION
Front
What is the principle behind the periodic table organization?
Back
Elements are organized by increasing atomic number and similar chemical properties.
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