Select the following group of elements that contains elements with similar chemical properties

A.

N, As, Bi

B.

Rb, Sn, In

C.

Li, Mg, Ga

D.

W, Tc, Fe

Iodine-131 is a radioactive isotope with a half-life of 8 days. How many grams of a 64 gram sample of Iodine-131 will remain after 24 days? A) 56g B) 48g C) 32g D) 8g

Do the gas laws apply to liquids?

What is the molecular formula for tribromine octachloride.?

What scientist determined that atomic mass did not determine the pattern of the periodic table

Experiment 7 excess salt is added to water and the mixture is stirred until no more salt dissolves (the solution is saturated). the salt that does not dissolve is allowed to settle out.

A solution of bleach has about 1.5 g of NaOCl dissolved in 220 mL of solution. What is the molarity?

Enthalpy is a form of?

1. If 25 grams of carbon dioxide gas is produced in this reaction, how many grams of sodium hydroxide should be produced? NaHCO3 > NaOH + CO2. If 50 grams of sodium hydroxide are produced, what is the percent yield?

G what is the difference between the sidechains of leucine and isoleucine? select one: a. one is charged, the other is not b. one has more h-bond acceptors than the other c.

How many grams of NaOH are needed to make 500 mL of a 2.5 M NaOH solution