How many moles of chlorine (cl) atoms are in a sample of 1.72 × 1022 atoms?
a. 0.0286 mol cl
b. 35.0 mol cl
c. 1.03 × 1023 mol cl
d. 1.04 × 1046 mol cl

Great amounts of electromagnetic energy from our sun and other bodies in space travel through space. which is a logical conclusion about these electromagnetic waves? their energy must be very their frequency must be very low these waves can travel without a medium they only travel through a vacuum of space

How many liters of oxygen gas, at standard temperature and pressure, will react with 35.8 grams of iron metal? 4 fe (s) + 3 o₂ (g) → 2 fe₂o₃ (s)

When a scientific theory has been tested and proved by the scientific community, it becomes a law