The mass number of a chromium atom is 52 and it has 24 protons. How many neutrons does this atom have? 24 28 76 80

Nuclear fusion is the source of energy for stars. besides hydrogen, which other element is most likely also common in stars?

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

Select all the correct answers.which compounds have the empirical formula ch20? (multiple answers)a.c2h4o2b.c3h603c.ch2o2d.c5h1005e.c6h1206