What element has 2 electrons in its outermost energy level and is in the 2nd period on periodic table?

Which of the following is not a response? only one Aa tree turning its leaves towards the sun Ba mushroom appearing wet in the rain Ca protozoa contracting when touched Dyour stomach rumbling when you smell food

While looking at calcuim (Ca) on the periodic table a student needs to find with a greater atomic mass in the same period. Where should the student look?

What elements do alkaline earth metals react with

What type of inter-molecular forces are present in C12H22o11 (AKA sugar)

Which scientist shot alpha particles into gold?

Draw the curved arrow mechanism for the conversion of aniline into benzenediazonium ion, and draw the final product that forms after the benzenediazonium ion is treated with

Sodium chloride is stirred into water to form a solution. in this case, what are sodium chloride and the water?

What can form as a result of a chemical reaction?

A solution of orange juice that weighs 500 g contains liquid juice and solid pulp. All of the pulp is removed from the juice. The pulp is found to weigh 50 g. How much would the remaining liquid juice weigh? A. 50 g B. 250 g C. 450 g D. 500 g

Assume 3 molecules of Fe react according to the following equation. 3Fe + 4H2O Fe3O4 + 4H2 How many molecules of H2 are produced? How many water molecules are required? What is the mole ratio of Fe to H2O?