The number of electrons Calcium could lose to gain it's octet is equal to proton number of ___________

Hydrogen

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Lithium

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Beryllium

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Helium

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Solution

The correct option is D
Helium

The electron Calcium would lose to gain it's nearest octet is 2. Calcium copies the electronic configuration of Argon and hence the 2 proton number of Helium is what it would resemble with.

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Similar questions

Statement 1: Number of neutrons is always greater than or equal to the number of protons in any given atom except hydrogen.
Statement 2: Number of electrons is always equal to the number of protons in a neutral atom.

Question 110 (ii)

Science Application An atom consists of charged particles called electrons and protons. Each proton has a charge of +1 and each electron has a charge -1. Remember the number of electrons is equal to the number of protons, while answering this question :
What will be the charge on an atom, if it loses an electron?

Whenever lithium loses its one electron , it is said to be stable. But there after losing one electron , there would be 3 protons and 2 electrons so it has a positive charge right ? So how come it is stable after losing one electron ?

Q. Represent each of the following atoms using Lewis notation:
(a) beryllium
(b) calcium
(c) lithium

Q. Statement 1 : The atomic number of a neutral atom that has a mass of

39

and has

19

electrons is

19

.
Statement 2: The number of protons in a neutral atom is equal to the number of electrons.

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The number of electrons Calcium could lose to gain it's octet is equal to proton number of ___________

The correct option is D Helium The electron Calcium would lose to gain it's nearest octet is 2. Calcium copies the electronic configuration of Argon and hence the 2 proton number of Helium is what it would resemble with.

The correct option is D
Helium

The electron Calcium would lose to gain it's nearest octet is 2. Calcium copies the electronic configuration of Argon and hence the 2 proton number of Helium is what it would resemble with.