What is the amount of protons neutron and electrons in the element Calcium?

What is the charge of an ion that contains 10 electrons, 13 protons, and 15 neutrons

How should you measure the mass of a given powdered substance?

What is the correct way to write the formula for magnesium chloride

If a certain gas occupies a volume of 13 L when the applied pressure is 6.5 atm, find the pressure when the gas occupies a volume of 3.3 L

Ethanol is used as fuel for cars. Explain how energy is obtained from ethanol to fuel a car.

A piece of iron can change in different ways. How is iron bending different from iron rusting?

Which organism would least likely be selectively bred A) Dandelions B) Nantes Carrots C) Belgian Blue Cattle D) Hypoallergenic Cats

You are given a clear solution of KNO3. Using 3-4 sentences explain how you would determine if the solution is unsaturated, saturated, or supersaturated

Which element combination (s) would result in electrons being shared? [] sodium (Na) and oxygen (O) [] carbon (C) and fluorine (F) [] oxygen (O) and hydrogen (H) [] aluminum (Al) and chlorine (Cl)

If you start with 4 moles of iron and 3 moles of oxygen to produce iron oxide, what is the limiting reagent? (You will need to balance the equation first.) Fe + O2 - > Fe2O3