Question

the element aluminnium is written by the symbole 27 13Al, write the no. of protons ,electrons and neutrons present in it

Answer 1

Answer:

The 27 means the atomic mass is 27, that is to say, the number of protons plus the number of neutrons is 27. That means the number of neutrons is 27–13=14. The number of protons in Aluminium is 13.

Explanation:

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Answer 2

see up in the attachment hope you understand

Explanation:

What is Aluminium

Aluminium is a chemical element with atomic number 13 which means there are 13 protons and 13 electrons in the atomic structure. The chemical symbol for Aluminium is Al.

Aluminium is a silvery-white, soft, nonmagnetic, ductile metal in the boron group. By mass, aluminium makes up about 8% of the Earth’s crust; it is the third most abundant element after oxygen and silicon and the most abundant metal in the crust, though it is less common in the mantle below.

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