Science
7th - 10th Grade
Used 4+ times
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5 questions
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1.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
It is fundamental unit of measurement of substances and defined as the number equal to 12.01 grams of carbon?
molar mass
atomic mass
mole
molecular mass
2.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
An Italian scientist who defined the constant value of one mole of a substance.
Evangelista Torricelli
Luigi Galvani
Leonardo da Vinci
Amedeo Avogadro
3.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
It is the number known to be as the Avogadro's number/constant?
6.122 x 1023
6.022 x 1023
6.122 x 1024
6.022 x 1024
4.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
The molar mass of any substance is its atomic mass, molecular mass, or formula mass in grams per mole.
TRUE
FALSE
5.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Which statement is TRUE about the different substance having the same
number of moles?
A. They have equal masses.
B. They have equal numbers of particles.
C. They have equal volumes per unit mass.
D. They have the same amounts of energy.
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