Suppose there are two known compounds containing the generic elements X and compound. One sample contains 0.33 g of X and the other contains 0.42 g of X. Identify plausible sets of formulas for these two compounds

The atomic number, or number, is the described as the number of in the nucleus of an chemical element.

Why is retrograde motion an apparent motion

4. a 20-kg child is tossed up into the air by her parent. the child is 2 meters off the ground traveling 5 m/s. circle one: ke / gpe / both show your work for finding the values of each type of energy the object has: