
Unit 2 Vocabulary 2022
Authored by James Dockins
Science
7th Grade
NGSS covered
Used 12+ times

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20 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
Periodic Table
size of an atom
A chart of the elements showing the repeating pattern of their properties
A measure of the ability of an atom in a chemical compound to attract electrons
Characteristics that can be observed without changing the identity of the substance
2.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
Atomic Radius
size of an atom
A chart of the elements showing the repeating pattern of their properties
A change in matter that produces one or more new substances
the degree of compactness of a substance.
3.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
Chemical Change
A change in matter that produces one or more new substances
Characteristics that can be observed without changing the identity of the substance
A group of atoms bonded together
A chart of the elements showing the repeating pattern of their properties
Tags
NGSS.MS-PS1-5
NGSS.MS-PS1-2
4.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
Molecule
the degree of compactness of a substance.
2 or more atoms bonded together.
A change in matter that produces one or more new substances
Elements made of single atoms not connected to each other: Mon means 1.
Tags
NGSS.MS-PS1-1
5.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
Conductivity
The ability to dissolve in another substance such as in water.
Group 18: All have a complete valence electron shell.
The ability of an object to transfer heat or electricity to another object.
Elements that are poor conductors of heat and electric current
6.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
Metals
Vertical columns on the periodic table: Shows the number of valence electrons for the whole group.
Horizontal rows on the periodic table: Shows the number of energy levels (shells) the atom has.
Horizontal rows on the periodic table: Shows the number of energy levels (shells) the atom has.
Elements that are good conductors of electric current and heat. Malleable, Ductile
7.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
Nonmetals
Elements that are poor conductors of heat and electric current
Elements that are good conductors of electric current and heat.
Elements that have properties of both metals and nonmetals.
Group 18: All have a complete valence electron shell.
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