Question

question 1 - 18
which of the following best describes the composition of an atom?
protons, neutrons, and electrons all grouped together in the center.
a core of negatively and positively charged particles surrounded by neutral particles.
a nucleus of positive and neutral particles surrounded by negative particles
a center of electrons and neutrons surrounded by protons.

Explanation:

• Atoms have a nucleus. The nucleus contains protons (positively - charged) and neutrons (neutral).
• Electrons (negatively - charged) orbit around the nucleus.

Answer:

A nucleus of positive and neutral particles surrounded by negative particles.