Related Questions

The nucleus of the copper atom contains how many protons?
A 1
B 4
C 18
D 29
E None of the above
The number of protons in a silicon atom are
A 4
B 8
C 12
D 14
A neutral atom is one with an equal number of protons and electrons.
A True
B False
How many protons does the nucleus of a silicon atom contain?
A 4
B 29
C 14
D 48
E None of the above
If 2 kg of metal, of which 1/3 is zine and the rest is copper , be mixed with 3 kg of metal, of which 1/4 is zinc and the rest is copper , then what will be the ratio of zinc to copper in the mixture?
A 17 : 43
B 13 : 42
C 19 : 43
D 15 : 42
If 2 kg of metal, of which 1/3 is zinc and the rest is copper s, be mixed with 3 kg of metal , of which 1/4 is zinc and the rest is copper , then what will be the ratio of zinc to copper in the mixture?
A 13 : 42
B 19 : 43
C 15 : 42
D 17 : 43
Atoms having the same number of protons but different number of neutrons are called :
A Isotopes
B Cations
C Higgs-boson
D Anions
As an atom absorbs energy, ........ increases and the atom is said to be excited.
A as its energy level
B it is energy level
C the energy level of it
D the energy level
As an atom absorbs energy , ................. increases, and the atom is said to be excited .
A its energy level
B as its energy level
C it is energy level
D the energy level of its
As an atom absorbs energy,_____ increases, and the atom is said to be excitef
A its energy level
B as its energy level
C it is energy level
D the energy level of its

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