Question

video discussion guide questions.

1. what is an atom?
2. what are the parts of an atom?
3. molecules is _.
4. give one example of an element.
5. what is a compound?

Explanation:

1. An atom is the smallest unit of ordinary matter that forms a chemical element. It is composed of a nucleus (containing protons and neutrons) and electrons orbiting the nucleus.
2. The parts of an atom are protons (positively - charged particles in the nucleus), neutrons (neutral particles in the nucleus), and electrons (negatively - charged particles orbiting the nucleus).
3. Molecules are groups of two or more atoms held together by chemical bonds.
4. An example of an element is hydrogen. Elements are substances made up of only one type of atom.
5. A compound is a substance formed when two or more chemical elements are chemically bonded together in a fixed ratio.

Answer:

1. The smallest unit of ordinary matter that forms a chemical element.
2. Protons, neutrons, and electrons.
3. Groups of two or more atoms held together by chemical bonds.
4. Hydrogen
5. A substance formed when two or more chemical elements are chemically bonded together in a fixed ratio.