A. describe where to look on the periodic table to find Elements which have similar reactivity and other properties.

B. explain why they have similar properties

C. name three elements that have those similarities.

When 0.1 mol of calcium reacts with 880 g of water, 2.24 L of hydrogen gas form (at STP). How would the amount of hydrogen produced change if the volume of water was decreased to 440 mL (440 g) ? A: Only half the volume of hydrogen would be produced.

Insulin is a protein that is used by the body to regulate both carbohydrate and fat metabolism. A bottle contains 525 mL of insulin at a concentration of 50.0 mg/mL. What is the total mass of insulin in the bottle?

Which of the following solutes would dissolve into more than one particle in an aqueous solution? NaOH CCl4 CaCl2 C6H12O6

How many mm Hg are in 55 psi?

Find the element that has the same chemical properties as magnesium, but fewer protons

Which of the following is a natural material? cement A) cement B) cotton C) polyester D) nylon

Which of the following would be the best conductor of heat energy? a plastic spoon a wooden spoon a metal spoon

J. J thomsons experiment disproved the theory that an atom A) is divisible B) is indivisible C) contains protons D) contains electrons

What is the maening of separation methods

Examine the equation. 6CO2 + __H2O C6H12O6 + 6O2 In order to balance the equation, what coefficient must be placed in front of H2O? 4 1 6 12