Atomic Structure and Average Atomic Mass

Quiz
•
Science
•
8th Grade
•
Hard
Standards-aligned
Lisa Thompson
FREE Resource
15 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What's a valence electron?
electrons in the second energy level
electrons in the outermost energy level
the atomic number
electrons in the first level
Tags
NGSS.MS-PS1-1
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The nucleus is ____________ charged whereas the electron cloud is ____________ charged.
negatively, positively
negatively, negatively
positively, positively
positively, negatively
Tags
NGSS.HS-PS1-8
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Do the following atoms belong to the same element? Explain
Aluminum-27
An atom with 14 protons and 13 neutrons
Yes because they have the same number of protons
Yes because they have the same mass
No because they have different number of protons
No because they have different number of neutrons
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What element is represented in this Bohr Model?
Carbon
Hydrogen
Aluminum
Lithium
Tags
NGSS.MS-PS1-1
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the name of this element?
Helium
Hydrogen
Argon
Silver
Tags
NGSS.MS-PS1-1
6.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
What is atomic mass?
The average mass that is weighted based on the abundance of the isotopes of the element
The mass that is weighted based on the abundance of the isotopes of the element
The average mass that is weighted based on the abundance of the protons of the element
The average mass that is weighted based on the abundance of the neutrons of the element
Tags
NGSS.HS-PS1-8
7.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
The mass number is equal to the number
of ____ + the number of ____
protons, neutrons
protons, electrons
neutrons, protons
neutrons, electrons
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