<span>The number of neutrons bromine will have are equal to
= protons + neutrons
so,
80-35=45</span>
Answer:
its letter d ..................................
The density of the liquid is 0.2 g/mL.
The mass of the liquid is 6 g.
The volume of the liquid is 30.0 mL.
Density = mass/volume = 6 g/30.0 mL = 0.2 g/mL
<span>the electron configuration ... Write the ground-state electron configuration of alead atom. 1. [Xe] 4f 145d...</span>