Question

draw a bhor model of aluminium its atomic number is 13 and mass number is 27​

Answer 1

Explanation:

Most microorganisms are beneficial, for example, there are microorganisms in our large intestine that synthesise vitamins and allow them to be absorbed into the bloodstream. However, a tiny minority are pathogens (disease-causing agents). These pathogens, often called germs or bugs, are a threat to all life forms.08-Nov-2010

Answer 2

Answer:

Atomic number. 13

Mass number. 27

Number of Protons. 13

Number of electrons. 13

Number of neutrons. 14

Electron configuration 2,8,3