Unit 3-The Atom
Authored by Emily Edlund
Science
11th Grade
NGSS covered
Used 9+ times
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52 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The tiny, dense, positive core of an atom.
proton
electron
neutron
Tags
NGSS.HS-PS1-8
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A negatively charged subatomic particle with a mass of 0.00055 amu.
proton
neutron
electron
nucleus
Tags
NGSS.HS-PS1-3
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Atoms of the same element with a different number of neutrons.
compounds
elements
nucleus
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The sum of the protons and neutrons in the nucleus of an atom.
atomic number
average atomic mass
mass and atomic number
Tags
NGSS.HS-PS1-8
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
One-twelfth (1/12) the mass of a carbon-12 nucleus.
mass number
mass and atomic number
atomic number
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The force that binds the protons and neutrons together in the nucleus.
Electromagnetic force
Electrostatic force
Gravity
Tags
NGSS.HS-PS1-8
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The weighted average of the masses of an element's isotopes.
atomic number
mass and atomic number
electron
Tags
NGSS.HS-PS1-8
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