Question

study guide - atomic structure

1. how many elements in periodic table?
2. name the 3 subatomic particles:
3. identify different parts of the atom:

Explanation:

Step1: Recall periodic - table knowledge

As of now, there are 118 known elements in the periodic table.

Step2: Recall sub - atomic particle names

The three subatomic particles are protons, neutrons, and electrons.

Step3: Identify atom parts

The main parts of an atom are the nucleus (containing protons and neutrons) and the electron - cloud (where electrons are located).

Answer:

1. 118
2. Protons, neutrons, electrons
3. Nucleus (protons and neutrons), electron - cloud (electrons)