Respuesta :
There are 7 atoms of bromine (br) are present in this molecule, 4pbr₃.4pbr3 is divided into 4 pb atoms and 7 bromine atoms.
What is an atom?
The atom consists of matter that may be split without releasing electrical charges.
It's also the smallest unit of matter with chemical element features. As a result, the atom is the fundamental unit of science.
In the nucleus, proton and the neutron is existing. The condition of the atom to be electrically neutral is that the number of the proton and electron should be the same.
4pbr₃, consists 4 atoms of pb and 7 atoms of bromine.
Hence.there are 7 atoms of bromine (br) are present in this molecule, 4pbr₃.
To learn more about the atom, refer to the link;
brainly.com/question/1566330
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