The formula for rust can be represented by fe2o3 how many moles of fe are present in 25.7 g

What is the electron configuration called that has 18 electrons in the outer energy level and all of the orbitals filled? Noble gas configuration

Why do ionic borids form between metal and no metals

Which pair of ions can form an ionic bond with each other and why? A) Cu + and Ag+; They are both metal ions. B) S2 - and O2-; They have like charges. C) Br - and At-; They are both halogen ions. D) Li + and Br-; They have unlike charges.

What is the average mass of a single chlorine molecule, Cl2?

Which element is oxidized in the reaction below? fe (co) 5 (l) + 2hi (g) → fe (co) 4i2 (s) + co (g) + h2 (g) a. c?

1. Mitch weighs out 67 grams of potassium (K) to make a buffer. How many moles of potassium did Dr. Hellman weigh out? 2.

9,000,000 in scientific notation

Ozone layer depletion causes

How many moles of nitrogen would react with excess hydrogen to produce 520 mL of ammonia? 0.0116mol 0.012mol 0.0232mol 0.024mol

Which of the following has the greatest mass? a. 1 mole of uranium (U) b. 1 mole of oxygen (O) c. 1 mole of sodium (Na) .1 mole of chlorine (Cl)