Question

help me with this Asap its chemistry

Answer 1

Answer:

a)

1) 13 electrons

2) 13 protons ( equal to no. of electrons)

3) 14 neutrons (mass - electrons, 27-13)

4) Atomic number is 13

b) Aluminium (Al)

c) Aluminium oxide ( Al₂O₃ )

d) It is a METAL

Valency is 3

Answer 2

Answer:

a) 1- Number of electrons in the atom is 13.

2- Number of protons in the atom is 13 .

3- Number of neutrons in the atom is 14.

4- Atomic number of of the element is 13.

b) name the element is Aluminum and the symbol is Al.

c) Alumminium oxide Al2O3.

d)It is metal. The valeny is 3+

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