richita2705 richita2705

02-02-2021
Chemistry

contestada

Hydrogen is the only atom that does not
have __electrons in the 1st energy
level/ shell.

Respuesta :

evgeniylevi evgeniylevi

02-02-2021

Answer:

2

Explanation:

the number of H is 1, it means the only electron is on the energy level (1st level, s-electron). All the elements have 2 s-electrons on the 1st energy level.

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