
Unit 7- Atomic Structure Review
Authored by Tess Miller
Science
9th - 12th Grade
NGSS covered
Used 1+ times

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35 questions
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1.
MATCH QUESTION
15 mins • 3 pts
Match the Following
Particles with a neutral charge found in the nucleus of an atom.
Neutron
The dense center of an atom containing protons and neutrons.
Proton
A substance that cannot be broken down into simpler substances by chemical means.
Element
The smallest unit of an element that keeps the element’s chemical properties.
Nucleus
Positively charged particles found in the nucleus of an atom.
Atom
Tags
NGSS.MS-PS1-1
2.
MATCH QUESTION
15 mins • 3 pts
Vertical columns of elements that have the same amount of valence electrons.
Family/Group
Elements that are malleable, ductile, and good conductors; typically shiny.
Period
All known elements arranged in order by atomic number.
15) Metal
The average number of protons and neutrons in one atom of an element.
Periodic Table
Horizontal rows of elements that have the same number of electron shells.
Atomic Mass/Mass Number
Tags
NGSS.MS-PS1-1
3.
MATCH QUESTION
15 mins • 3 pts
An element that has properties that fall between metals and nonmetals.
Metalloid
Elements that are brittle, poor conductors, and have low melting and boiling points.
Metal
Elements that are ductile, malleable, and have luster.
Nonmetal
4.
REORDER QUESTION
15 mins • 5 pts
Using a periodic table (you can use the one in the textbook) order the following elements by # of valence electrons, least to greatest.
Barium
Oxygen
Potassium
Carbon
Neon
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
How many electron shells does the pictured atom have?
1
2
3
4
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
How many valence electrons does the pictured atom have?
20
3
2
4
7.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
The atomic number identifies the number of __________.
electrons
atoms
protons
neutrons
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