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Which of the following characterizes the nucleus of every atom?

1. It has a positive charge

2. It is very dense

3. It is composed of protons, neutrons and electrons

a
I and II only
b
I, II and III
c
I and III only
d
II and III only

Respuesta :

A) 1 & 2

It’s is not 3 because the electrons are found outside of the nucleus; therefore, it only consists of protons and neutrons, and it does has a very dense region.
The answer is A) 1/2