Answer:
17
Explanation:
the mass number of the element which is protons and neutrons is 17+18=35
electronic configuration is 2, 8, 7
valency of the element is 1 therefore the atomic number is 17
Answer:
to go against dangerous viral and bacteria
Explanation:
Answer:
3 electrons
Explanation:
aluminum : [Ne]3s23p1 [ N e ] 3 s 2 3 p 1 . It loses 3 electrons from 3s and 3p orbitals and attains the noble gas configuration of Neon.
Hello There!
The solution: salt water
Mix: Physical as you could still separate them
A chemical mix can't be reversed.
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- Hannah ❤
Answer:
Cell is defined as the smallest unit or basic unit of life.
