PLEASE HELP, WILL MARK BRAINLIEST How many moles is 2.80 x 1024 atoms of silicon (Si)? Show your work.

4.65 moles

Explanation:

1 mole ---> 6.022×10²³ atoms of si

X mole ---> 2.8×10²⁴ atoms of si

X= 2.8×10×10²³/6.022×10²³

=28/6.022

=4.65moles

tracks, burrows, eggshells, nests, tooth marks, or gastroliths

i think it's c. if you look search electronic symbol on google and then click on wiki it shows you a