Question

$\huge\bold\red {Question: }$

The element aluminium is written by the symbol 27^13 Al. write the number of protons , electrons and neutrons present in it.​

Answer 1

Answer:

. The solar system also consists of the remnants of a broken planet called aster

B. Convert the following assertive sentences to interrogative sentences.

1. You should chew your food well before swallowing.

2. You must buy a new cover for your handset.

4. Every man is his own worst critic.

5. Food, clothing and shelter are the basic necessities of man.

The fragrance of this perfume is soothing.

Answer 2

$\huge\mathfrak {Answer:}$

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 .

The number of electrons is 13.

ratio = 14:13:13