How many protons and neutrons are present in`""_(8)^(18 )O?`

If A = 23 and Z = 11 for Na atom, how many protons, electrons and neutrons are present in Na atom ?

How many sigma bonds are present in ethane ?

How many unpaired electrons are present in tin (z=50)?

For the element with atomic number 24: How many unpaired electorns are present in it?

How many electrons are present in 16 g of CH_(4) ?

The atomic number of an clement is 5 and mass number is 11. Find the number of electrons, protons and neutrons present in an atom of it. How can this element be represented.

How many peptide bonds are present in a tripeptide?

How many atoms of oxygen are present in 300 g of CaCO_(3) ?

How many atoms are present in a (ii) PO_(4)^(3-) ion ?

How many atoms of oxygen are present in 50 g of CaCO_(3)