Answer:
K
Explanation:
Potassium is a Period 4 Representative element, and is actually the first element of period 4.
Answer:
Explanation:
The nuclear model of the atom was suggested by Ernest Rutherford based on his experiment on a thin gold foil.
To explain his observations, he suggested the atomic or nuclear model.
In this model, the atom has a small positively charged center called the nucleus.
All the mass of the atom is concentrated here in the nucleus.
Surrounding the nucleus is a large space
It is the extranuclear part
This part contains electrons.
A nucleus surrounded by electrons forms the nuclear model of the atom.
I'm pretty sure the answer is... Mass and volume.
Hope this helps (:
Answer:
yes
Explanation:
because it help the body hydrate