How many number protons and electrons are present in ca2+? |
|||
(a) |
20 protons ; 20 electrons |
(b) |
20 protons ; 22 electrons |
(c) |
18 protons ; 18 electrons |
(d) |
20 protons; 18 electrons |
How many number protons and electrons are present in ca2+? |
|||
(a) |
20 protons ; 20 electrons |
(b) |
20 protons ; 22 electrons |
(c) |
18 protons ; 18 electrons |
(d) |
20 protons; 18 electrons |