Chemistry Atoms
Authored by Lisa Thompson
Science
7th Grade
NGSS covered
Used 1+ times
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15 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A stable isotope
are atoms with an unstable nuclei
are atoms with stable nuclei
is radioactive
does not exist
Tags
NGSS.HS-PS1-8
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
An unstable isotope
never breaks down
has a stable nucleus
is radioactive
doesn't have radioactivity
Tags
NGSS.HS-PS1-8
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The smallest building block of all matter in the universe.
Atom
Matter
Proton
Element
Tags
NGSS.MS-PS1-1
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The center portion of an atom containing the protons and neutrons
Proton
Nucleus
Neutron
Electron
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
2 or more atoms bonded together that share electrons
Molecule
Oxygen
Matter
Element
Tags
NGSS.MS-PS1-1
6.
MULTIPLE SELECT QUESTION
1 min • 1 pt
Oxygen has an atomic mass of _____; this it the number of _____.
about 16; protons and neutrons.
8; protons.
about 16; neutrons.
about 16; protons and electrons.
Tags
NGSS.MS-PS1-1
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The atomic number of oxygen is
8
15.9994
16
O
Tags
NGSS.MS-PS1-1
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