Exploring Lewis Dot Structures
Interactive Video
•
Science
•
6th - 10th Grade
•
Practice Problem
•
Easy
Standards-aligned
Amelia Wright
Used 29+ times
FREE Resource
Standards-aligned
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What do Bohr models show that Lewis dot structures do not?
Chemical bonds
Only valence electrons
Protons and neutrons
Atomic mass
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why are valence electrons important?
They help predict an atom's reactivity and bonding
They are the same for all elements
They determine the atomic mass
They are found in the nucleus
Tags
NGSS.HS-PS1-1
NGSS.HS-PS1-2
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How many valence electrons do elements in the first column of the periodic table have?
Two
Three
One
Four
Tags
NGSS.HS-PS1-1
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which group of elements has an unpredictable number of valence electrons in this class?
Group 1
Group 2
Group 18
Transition metals
Tags
NGSS.HS-PS1-1
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How many valence electrons does sulfur have?
Eight
Six
Four
Two
Tags
NGSS.HS-PS1-1
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why is helium placed in group 18 despite having only two valence electrons?
It has a full outer shell
It is a metal
It has eight protons
It is highly reactive
Tags
NGSS.HS-PS1-1
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the mnemonic to remember the number of valence electrons?
One, two, three, four, five, six, seven, eight
One, two, three, four, five, six, seven, eight, nine
One, two, skip a few, three, four, five, six, seven, eight
One, two, three, skip a few, four, five, six, seven, eight
Tags
NGSS.HS-PS1-1
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