Question

where are electrons situated in an atom​

Answer 1

The nucleus (or the center of an atom) consists of neutrons and protons. Electrons surround the nucleus in shells. The shell closest to the nucleus can hold two electrons.

Answer 2

Electrons are present in shells surrounded nucleus.

Explanation:-

• The electron is a sub-atomic particle, whose electric charge is a negative. They are present at the shells where each shell can hold upto a fix numbers of Electrons.

• The first shell can hold up to 2 electrons, the second shell can hold up to 8 electrons in the form of 2+6, the third shell can hold up to 18 electrons in the form of (2 + 6 + 10).

• Electron's symbol is e¯

• Electron was discovered by J.J Thomson in 1897 when he was experimenting on cathode ray. This experiments with cathode ray tubes analysis that all atoms contains a tiny negatively charged subatomic particles or electrons.