valency and radicals
7th Grade
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valency and radicals
Quiz
•
Chemistry
•
7th Grade
•
Practice Problem
•
Medium
Standards-aligned
Manisha Garg
Used 267+ times
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
What charge does a potassium (K) ion have?
Tags
NGSS.HS-PS1-1
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Name that Ion
Li+
Tags
NGSS.HS-PS1-1
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Outer shell electrons are called
Tags
NGSS.HS-PS1-1
NGSS.HS-PS1-2
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The electrons involved in chemical bonds are called ___________ electrons.
Tags
NGSS.HS-PS1-1
NGSS.HS-PS1-2
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a valence electron?
Electrons in the first energy shell
Electrons in the second energy shell
Electrons in the outer shell
Total number of electrons
Tags
NGSS.HS-PS1-1
NGSS.HS-PS1-2
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The innermost energy level has a maximum of how many electrons?
1
2
6
8
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How many valence electrons?
2
3
4
5
Tags
NGSS.HS-PS1-1
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