Question
9 The nucleus of an atom is: A positively charged and has a high density B positively charged and has a low density C negatively charged and has a high density D negatively charged and has a low density
Answer
4.3
(269 Votes)
Rhian
Master · Tutor for 5 years
Answer
The correct answer is A.
Explanation
## Step 1The nucleus of an atom is the central part of the atom, containing the majority of its mass. It is composed of protons, which are positively charged, and neutrons, which have no charge (neutral). ## Step 2The presence of protons gives the nucleus an overall positive charge. This is because protons carry a positive charge.## Step 3Moreover, the nucleus is extremely dense because it contains nearly all of the atom's mass within a very small volume. The density of an atomic nucleus is one of the highest known densities in the universe.## Step 4Options B, C, and D are incorrect because they attribute the wrong charge to the nucleus (negative charge) or incorrectly describe its density (low density).