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- Chemistry: Unit 3 Law Of Conservation Of Mass.
Chemistry: Unit 3 Law of Conservation of Mass.
Authored by Shaka Gore
Science
10th Grade
NGSS covered
Used 11+ times
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22 questions
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1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Which element has a higher electronegativity value?
Niobium
Tin
Cadmium
Iodine
Tags
NGSS.HS-PS1-1
NGSS.HS-PS1-2
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Which element has a lower electronegativity value?
Calcium
Barium
Tags
NGSS.HS-PS1-1
NGSS.HS-PS1-2
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which element has the greater ionization energy?
Tags
NGSS.HS-PS1-1
NGSS.HS-PS1-2
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which of the following sequences corresponds to a correct trend in ionization energy?
Tags
NGSS.HS-PS1-1
NGSS.HS-PS1-2
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
What is the volume of 160 g of oxygen gas at STP?
112 L
22.4 L
78.8 L
114.24 L
224 L
6.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
How many molecules are in 32.4 grams of phosphorous pentoxide?
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
____ reactions usually feel cold.
endothermic
exothermic
Tags
NGSS.HS-PS1-4
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