An atom has a mass number of 37 and atomic number 17. How many protons does it have?
Grade IX

Quiz
•
Science
•
7th - 9th Grade
•
Hard
Manoj MANDAL
Used 8+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
20
19
18
17
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What would be the atomic number of the element in whose atom the K and L shells are full?
10
12
14
16
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The electronic configuration of an atom having atomic number 20 is
2, 8, 8, 2,
2, 8, 6, 4,
2, 4, 10, 6
2, 10, 5, 3
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How many electrons does the outermost shell of neon have?
2
8
18
32
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Almost the entire mass of an atom is concentrated in the
Proton
Neutron
Electron
Nucleus
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
An element has an electronic configuration of 2, 8, 7. Its valency is
4
1
3
2
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is the correct electronic configuration of Nickel with an atomic number 28?
1s2 2s2 2p4 3s2 3p8 3d10
1s2 2s2 2p6 3s2 3p6 3d10
1s2 2s2 2p4 3s2 3p6 3d10 4s2
1s2 2s2 2p6 3s2 3p6 3d8 4s2
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