Question

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ᴡʜᴏ ᴅɪꜱᴄᴏᴠᴇʀᴇᴅ ᴇʟᴇᴄᴛʀᴏɴꜱ ᴀɴᴅ ᴡʜᴇɴ .....​

Answer 1

J. J. Thomson discovered electron in 1897 when he was studying about cathode rays .

Electrons are sub - atomic negatively charged particles that orbits the nucleus on an atom .

Electrons are represented as

${e}^{ - } \: \: \: \: or \: \: \: \: { \beta }^{ - }$

$1 \: coulomb \: = 6.25 \times {10}^{18} {e}^{ - }$

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Answer 2

Answer:

Electron was discovered by J. J. Thomson in 1897 when he was studying the properties of cathode ray

Explanation:

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