Re-Quiz - Isotopes and Average Atomic Mass
Authored by Eric Alonzo
Chemistry
9th - 12th Grade
MS-PS1-1 covered
Used 28+ times
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10 questions
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1.
MULTIPLE SELECT QUESTION
1 min • 10 pts
What does the atomic number tell us? (select all correct answers)
the number of protons
the number of protons and electrons
the number of protons and neutrons
the number of neutrons
Tags
MS-PS1-1
2.
DRAG AND DROP QUESTION
1 min • 10 pts
Atoms of the same element which have a different number of neutrons are called .
(a)
3.
MATH RESPONSE QUESTION
1 min • 10 pts
How many neutrons does C-14 contain? (tap to enlarge the image)
Mathematical Equivalence
ON
4.
MATH RESPONSE QUESTION
1 min • 10 pts
How many neutrons does an atom of the isotope Neon-22 have? (tap to enlarge the image)12
Mathematical Equivalence
ON
Tags
NGSS.MS-PS1-1
5.
MULTIPLE CHOICE QUESTION
1 min • 10 pts
24.1% of all the isotopes of a an element have a mass of 75.23 amu, 48.7% have a mass of 74.61 amu, and 27.2% have a mass of 75.20 amu.
What is the average mass of this element?
74.92 amu
24.97 amu
75.01 amu
74.51 amu
6.
MULTIPLE CHOICE QUESTION
1 min • 10 pts
What does the 1.00794 stand for?
Hydrogen
atomic number
atomic mass
atomic explosion
Tags
MS-PS1-1
7.
MULTIPLE CHOICE QUESTION
1 min • 10 pts
What is the atomic number for an element with three protons?
2
1
3
6
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