Answer:
Neptune takes the longest to orbit the sun because of it's distance away from the Sun.
Explanation:
Neutrons actually don't carry an electrical charge, which is why they are called neutrons because they are "Neutral".
Answer:
5,250g
Explanation:
Density = Mass / Volume
*Note: mass = x
1.50g/mL = x / 3500mL
multiply 3500mL on both sides
1.50g/mL * 3500mL = 3500mL(x) / 3500mL
cancel units
x = 5250g
C. Groups 13-16 contain metalloids.
If you look on a periodic table, these usually have a different color.