Answer:
Because of the existence of isotopes.
Answer: D) They share electrons
Explanation: Nonmetals under goes a bond called covalent bond. The chemical bond that requires the sharing of electron pairs is known as covalent bond. This bond is of three types namely; polar covalent, non polar covalent, and coordinate covalent.
It's is very difficult for an electron to be removed from nonmetals, that is, they exhibit high ionization energy.
So because of this characteristics, when two nonmetals bond, they share electrons instead of transferring electron.
Answer:
The answer is a)
Explanation:
The other chemical formulas' subscripts share a common factor, so they can be simplified to an empirical formula, however, the subscripts in cannot be simplified any further, because they do not share any more whole-number factors with each other.
Answer:
KOH(aq) + HCI(aq) -----> KCI(aq )+ H2O
base acid salt water
hope this helps :)
Explanation:
Balanced equation will be as follows
2NaOH + H2SO4=Na2SO4 + 2H2O
from MaVa/MbVb=Na/Nb where Ma is molarity of acid=?
Va is volume of acid=25.0 mL
Mb is molarity of base= 0.05 M
Vb is volume of base=18.3 mL
Nb number of moles of base= 2
Na is number of moles of acid =1
Ma*25 mL / 18.3mL*0.05M = 1/2
Ma=18.3*0.05M / 50 = 0.0183M
The molarity of sulphuric acid = 0.0183M