An atom is now known to consist of a
A) positively charged crystal structure with electrons moving within it.
B) small, positively charged black hole with electrons held in orbits around it by intense gravitational forces.
C) uniform distribution of positively charged matter with electrons embedded in it.
D) small, massive, electrically charged core surrounded by electrons.

Question

Quizplus · Accepted Answer

The correct description of an atom is that it consists of a small, massive, electrically charged core, known as the nucleus, which is surrounded by electrons. The nucleus contains protons and neutrons and carries a positive charge, while electrons are negatively charged and orbit the nucleus.

An Atom Is Now Known to Consist of a