
LG03 - Reactivity and the Periodic Table
Authored by Joseph May
Chemistry
9th - 12th Grade
NGSS covered
Used 149+ times

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30 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What determines the identity of an atom?
number of protons
number of electrons
number of neutrons
number of valence electrons
Tags
NGSS.MS-PS1-1
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The particles in an atom that are neutral are called __________.
negatrons
electrons
neutrons
protons
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Protons have a _____ charge while electrons have a _____ charge.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
If a neutral atom has 3 electrons, how many protons does it have?
7
6
4
3
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
An atom will be neutral if the number of protons is equal to the number of _____.
protons
neutrons
electrons
octets
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Identify number 14 on the periodic table square below.
atomic mass
chemical symbol
atomic number
element name
Tags
NGSS.MS-PS1-1
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How many protons does an atom with an atomic number of 6 have?
6
12
3
cannot be determined
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