Help!
Hydrogen has an atomic number of 1. How many neutrons and protons are in a hydrogen-3 isotope?
a. O neutrons, 3 protons
b. 1 neutron, 2 protons
C. 2 neutrons, 1 proton
d. 3 neutrons, 0 protons

Hello there,

In a hydrogen the neutrons and protons are as follows:

Now with a hydrogen with a -3 isotope:

A hydrogen with a -3 isotope would have 1 proton and 2 neutrons.

Hope I helped,

Amna

the answer is barium and copper bromide

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