Which of the following elements would you expect to be extremely explosive in the presence of water?

A. sodium

B. neon

C. oxygen

D. sulfur

True or false It is very efficient to drive a large truck to and from school.

How do the atomic mass and atomic number compare for helium? a) The atomic mass is greater. b) The atomic number is greater. c) The atomic mass and atomic number are equal. d) Helium does not have an atomic number.

Why does a 4 carbon linear alkane, butane c4h10, have two more hydrogens?

What is the weight in grams of 1 mole of ammonium sulfate (NH4) 2SO4?

What is not a product of the light-independent reaction?

A man is about to receive a bone marrow transplant. He is taking pills to suppress his immune system so that: A. his immune system does not attack the transplanted marrow. B. his immune system can recover after surgery. C.

Nickel (ii) chloride dissolves in water to form a light green solution. what ions are present in solution-that is, what is "swimming around" in the aqueous solution? write the formulas

Calcium sulfide forms when calcium loses 2 valence electrons to sulfur. What type of a bond is formed? Select one of the options below as your answer: A) covalent B) ionic

What ability is most valuable for survival in the deep ocean

Increase Crop Production food Engineers combine two plants so that each plant strength compensates for the others weakness what is this technique called