Answer:the first one I believe!
Explanation:
Sorry if it is wrong I have already done this and I pretty sure it’s the first one!
B. Group number
For example, Sodium(Na) is in Group 1 and Na^+ has a charge of +1.
Answer:
DISCULPA... HABLO ESPAÑOL...
PODRIAS AYUDARME? NO ME SIRVE EL TRADUCTOR Y NO SE COMO ENTRAR A BRAINLY VERSION ESPAÑOL
._. TODOS HABLAN INGLES AQUI... SOY COLOMBIANA
Explanation:
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