Answer:
there are 7. 505 x 1022 atoms in 3.5 grams of silicon.
Explanation:
So, 1 mole of silicon will have a mass of 28.0855 g and the number of atoms will be 6.022 x 1023. Therefore, there are 7. 505 x 1022 atoms in 3.5 grams of silicon.
Answer:
in our solar system, the rocky planets are Mercury, Venus, Earth, and Mars
hope this helps :)
Explanation:
Answer:
2.48626 x 10^24
Explanation:
We multiple 4.13 by avogadro's number to get that.
charge of elements increases by one as you move from left to right.