Strong internolecurar forces (A) hope it helps
This would be the molar mass.
Answer:
Pure Chemistry -- is NOT considered a branch of Chemistry.
Explanation:
Second question is number 4.
Unit conversion is a multi-step process, in which division or multiplication by a numeral factor is involved.
Density =
(given)
Since,
and

Now, converting
to
:

=
.
Hence, density is
.
Kr= krypton
K= potassium
C=carbon
En= neon
Si= silicon
Au= gold
Ni= nitrogen
Br= berillium
Mg=magnesium
Mn= mangenese
Al: aluminum