
Assessment
Authored by Eriny matta
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7th Grade

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6 questions
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1.
OPEN ENDED QUESTION
1 min • 2 pts
which of these elements higher in energy and why ?
Mg 1224 Fe 5526
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2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The number of protons plus neutrons ?
mass weight
Mass number
atomic number
atomic weight
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The atomic number of an element having 6 protons in its nucleus is
4.
MULTIPLE SELECT QUESTION
30 sec • 2 pts
The nucleus contains
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A substance that can be observed without changing in matter
molecule
chemical property
physical property
6.
OPEN ENDED QUESTION
2 mins • 4 pts
Why can`t extinguished petroleum fires with water? Explain
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