How Atoms Differ
Authored by Glen Pacot
Chemistry
9th - 12th Grade
HS-PS1-8 covered
Used 3+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
What does the atomic number of an element refer to?
the number of neutrons in an atom
the mass number of an atom
the number of protons in an atom
the atomic mass of an element
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Which term identifies each isotope of an element and is the sum of the number of protons and neutrons in the nucleus?
atomic number
atomic mass
mass number
atomic mass unit (amu)
3.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
In a neutral atom, what is the number of electrons equal to?
mass number
atomic mass
atomic number
neutron number
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which of the following is true?
An atom’s mass depends mainly on the number of electrons it contains.
The atomic mass of an element is the weighted average of the atomic numbers of an isotope.
A mass of 1 amu is nearly equal to the mass of a single electron.
One atomic mass unit (amu) is one-twelfth the mass of a carbon-12 atom.
5.
HOTSPOT QUESTION
1 min • 1 pt
Select the two atoms that are isotope of each other
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which subatomic particle determines the chemical properties of an element?
proton
atomic mass unit (amu)
neutron
electron
Tags
HS-PS1-1
HS-PS1-2
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the main difference between isotopes of the same element?
number of neutrons
number of electrons
atomic number
number of protons
Tags
HS-PS1-8
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