The ion of an element has 3 positive charges. Mass number of the atom is 27 and the number of neutrons is 14. What is the number of electrons in the ion?
Anonymous Quiz
23%
13
50%
10
21%
14
6%
16
❤1
How many electrons are present in M-shell of an element with atomic number 20?
Anonymous Quiz
8%
5
56%
8
19%
12
16%
18
👍1
The ion of an element has 3 positive charges. Mass number of the atom is 27 and the number of neutrons is 14. What is the number of electrons in the ion?
Anonymous Quiz
26%
13
41%
10
27%
14
6%
16
👍1
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Isobars do not differ in the number of
Anonymous Quiz
25%
Nucleus
41%
Nucleons
21%
Proton
13%
Electron
👍1
Neon and chlorine have atomic numbers 10 and 17 respectively. Their valencies will be ………….. and ……………. respectively.
Anonymous Quiz
15%
1 and 0
60%
0 and 1
18%
1 and 1
7%
None
👍2
. are the atoms containing same number of neutrons.
Anonymous Quiz
45%
Isotope
30%
Isotone
18%
Isobar
7%
None
👍2
The gravitational force between two objects is F. If masses of both objects are halved without changing the distance between them, then the gravitational force would become
Anonymous Quiz
42%
F/2
35%
F/4
18%
2F
5%
None