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Lola Cummings ∙
2
Entropy
No. H2 does not have a permanent dipole moment.
The ending of the second element is changed to -ide
Ions combine in only one ratio, so prefixes are not needed.
subtract the group number from the atomic number
If the electronegativity difference between two atoms is below 1.7, then the two atoms form covalent bond.
Cl -apex.
The valence electrons.
1s22s22p63s23p64s23d5
Dipole-dipole forces play a significant role when a molecule is polar.
So3
put parentheses around the atoms in the ion and then add a subscript - apex