chemistry EOT T3 grade 10E

Quiz
•
Chemistry
•
10th Grade
•
Medium
Asma Farzanah
Used 17+ times
FREE Resource
32 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
If the number of electrons (e-) in phosphorus (P) is 15, what are the number of valence electrons?
2
8
5
4
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the periodic table, valence electrons are indicated by:
group number
shell number
period number
atomic mass
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Anions have a
negative charge
positive charge
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Cations have a
negative charge
positive charge
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
An ion is formed when an atom of a representative element
gains or loses protons
shares electrons to achieve stability
loses or gains electrons to satisfy the octet rule
all of the above is correct
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Aluminum forms an ion with a charge of
+2
-1
+3
-2
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
like charges
repel
attract
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