Question

1. explain the three forces at work that hold an atom together a. b. c.

Explanation:

An atom consists of a nucleus (containing protons and neutrons) and electrons. The three forces at work are:

• Electromagnetic force: It acts between protons (which are positively charged) and electrons (negatively charged). Opposite - charged particles attract each other. Protons in the nucleus are positively charged, and electrons are negatively charged. The electromagnetic force of attraction between protons and electrons keeps electrons in the vicinity of the nucleus.
• Strong nuclear force: This force acts between protons and neutrons in the nucleus. Protons are positively charged, and like - charged particles repel each other due to the electromagnetic force. The strong nuclear force is a short - range, attractive force that overcomes the electromagnetic repulsion between protons in the nucleus and holds protons and neutrons together.
• Weak nuclear force: It is involved in processes such as radioactive decay. Although its role in holding the atom together in a general sense (compared to the strong and electromagnetic forces) is more about enabling certain nuclear transformations rather than the primary "holding - together" in the static structure of a stable atom. But in the context of the overall nuclear and atomic processes, it is considered one of the fundamental forces at work within the atom.

Answer:

a. Electromagnetic force (attracts protons and electrons).
b. Strong nuclear force (holds protons and neutrons in the nucleus).
c. Weak nuclear force (involved in nuclear processes like decay).