Given the compound: H H
1
H-C=C-H
The symbol
= represents
A.
one pair of shared electrons
B.
two pairs of shared electrons
C.
a single covalent bond
D.
a coordinate covalent bond

the density of gold = 19.3 g/cm3

the relation between density and mass and volume is

density = mass / volume

given :

mass of gold = 13 g

density = 13g / volume = 19.3

volume = 13 /19.3 = 0.67 cm^3

thus volume of gold nugget = 0.67 cm^3

(b) which contains higher levels of vitamin b, oranges or spinach?

explanation:

you can eliminate a, c, and d because they are questions based on opinions.