Question

*What is the atomic number of carbon, if the electron configuration of carbon is 2, 4?*

1️⃣ 2
2️⃣ 8
3️⃣ 6
4️⃣ 4​

Answer 1

Answer:

option 3

Explanation:

atomic number of carbon is 6

Answer 2

Given : electron configuration of carbon is 2, 4

To Find : atomic number of carbon

1️⃣ 2

2️⃣ 8

3️⃣ 6

4️⃣ 4​

Solution

The atomic number  of a chemical element is the number of protons present in the nucleus of  atom of that element.

Atomic number is also called proton number

Symbol of atomic number is Z

For uncharged atom , number of protons = number of electrons.

Now its given that electron configuration of carbon is 2, 4

Hence total number of electron in an atom of carbon are 2 + 4 = 6

Hence  atomic number of carbon is 6.

Atomic number uniquely identifies any chemical element.

Atom has 3 main particle

Proton  + ve                  Mass of Proton   1.67×10⁻²⁷ kg

Neutron - No charge    Mass of Neutron   1.67×10⁻²⁷ kg

electron - ve charge     Mass of electron    9.1×10⁻³¹ kg

The atomic number of an atom identifies the number of protons in the atom.

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