Element X reacts with iron to form two different compounds with the formulas FeX and Fe2X3. To which group on the Periodic Table does element X belong?

Is cereal soup? Why or why not?

What is the original source of energy that is stored in the food that animals eat?

Researcher want to determine the best temperature for storing batteries describe a possible experiment and list the variables to be controlled in that experiment

What would happen if IgE were produced against a self molecule? a) The hypersensitive reaction would lead to anaphylactic shock. b) It would enhance immune function. c) The hyposensitive reaction would lead to anaphylactic shock.

What is the chemical family and period of the element carbon?

Fission reactions can get of of control without what taking place?

In which main energy level does the 's' sublevel first appear? K (first main energy level) L (second main energy level) M (third main energy level) N (fourth main energy level)

What is the nuclear charge of an alpha particle?

How many protons electrons and neutrons does 13C contain

Are all individuals in a population of animals or a population of plants identical