1. The Alpha particle is a helium nucleus, is positively charged & would barely penetrate a piece of paper.<span />
The atomic number is the number of protons in the nucleus
You can differentiate between ionic, covalent and molecular compounds by the fact that ionic compounds contain elements that include both a metal and a nonmetal. Molecular compounds contain both non metals covalently bonded to each other. While acids most often on their chemical formula start with the element of Hydrogen - H.
For Eg - sulphuric acid
H2SO4
hydrochloric acid - HCl.
Answer:
Percent Composition of 41K = 6.7302%
Explanation:
The explination is in the image.
Answer:
We wouldn't have Coronavirus
Explanation: