5.60*10²³ is the answer First you find the molar mass of nickel then you you turn grams to moles to atoms and boom there's your answer.
The most distant planet is pluto
A the moon affects the gravity of the tides
Answer:
Element Element Number Number of Electrons in each Level
Chlorine 17 7
Argon 18 8
Potassium 19 8
Calcium
Answer:
c. Polystyrene
Explanation:
Caleb wants a synthetic material that is not soluble in water, so it must be a nonpolar material because water is polar.
Cellulose is a nonpolar molecular, but is a natural product;
Nylon is a synthetic compound, but is polar, so it' soluble in water;
Vulcanized rubber is polar and the rubber is a natural compound.
The only compound that he can use is polystyrene, which is insoluble in water and is a synthetic material.
