I believe it would be the last one because you can use the molar mass of HCl to find the number of moles, then use Avogadro’s number to find the number of atoms
Hope this helps!
No, They need something to hold on to, such as dirt
Number 4 is Global Warming
An isotope is a variant on an element that has a different atomic weight from other variants
how many electrons does tin have?
Answer : 2, 8, 18, 18, 4
Therefore, total electrons = 50