Please help i’ll give you brainlist and points :)

Biology

2 answers:

Charra [1.4K]3 years ago

4 0

it is the 2nd one, B

Damm [24]3 years ago

3 0

Answer:

$in \: a \: number \: of \: protn \: and \: neutron \: re \: equal \\ in \: b \: number \: of \: electron \: is \: high \\ so \: b \: is \: \: an \: ion \: \\ in \: c \: and \: d \: number \: of \: neutron \: and \: electron \\ so \: b \: is \: the \: answer \\ thank \: you$

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Please mark brainliest, if right. Thanks :)