given that 32.0g sulphur contains 6.02×10^23 sulphur atoms, how many atoms are there in 2.70g of aluminum

Write a paragraph at least 10 sentences explaining how rocks are used today in society

Significant figures are digits read directly from the measuring instrument plus one more digit, which is __ by the observer.

(1.6 × 10-19)(5.0 × 106) = c × 10d identify the missing numbers below to show the result of multiplying the numbers.