Experience Chemistry
Authored by Charles Martinez
Chemistry
4th Grade - Professional Development
NGSS covered
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9 questions
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1.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
Which one is atom
Magnesium
H20
NaCl
Tags
NGSS.MS-PS1-1
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is atom
the base constructive structure of a matter
combination with two or more matter
charged particles
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the charge of ion sulphate(SO4)
+1
+2
-1
-2
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is cation charged
-
+
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is mole
mole is atom of the same elments with the same nombor of proton and electron but different number of neutron
Mole is a base unit of mesaure of quantity of a substance
non of this above
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why there is a constant temperature when heating naphtalene
Because the heat energy use to overcome the force of attraction between particle naphtalene
Because the heat enery loss to surrounding is balenced by the heat energy that released when the bond form
Tags
NGSS.HS-PS3-4
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which one is the emperical fomular of magnesium oxide
MgO
Mg2O
Mg3O2
MgO3
Tags
NGSS.MS-PS1-1
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