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.

A compound of nitrogen and oxygen is found to contain 30.45% nitrogen and 69.55% oxygen. Determine the empirical formula.

If you make a solution by dissolving 1.0 mol of Fecl3 into 1 kg of water how would the osmotic pressure of this solution compare with the osmotic pressure of a solution that is made from 1.0 mol of glucose in 1 kg of water

A solution with a pH of 11 has a [H+] of ... a. 11 b. 1 x 10 ^-3 c. 1 x 10 ^-11 d. 1 x 10 ^11 e. 1 x 10 ^3

In general, in which direction do convection cells in Earth's atmosphere move heat around the planet

What is the difference between an element, compound and mixture?

The most common isotope of chromium has a mass number of 52. which notation represent a different isotope of chromium?

What is the molar mass of 37.96 g of gas exerting a pressure of 3.29 on the walls of a 4.60 L container at 375 K?

Which must be the same when comparing 1 mol of oxygen gas, O2, with 1 mol of carbon monoxide gas, CO? A. the mass B. the volume C. the number of molecules D. the number of oxygen atoms

List three quantum numbers you know

Electronegativities of the elements Na, Al, P, and Cl follow a specific trend across the period. Based on this trend, an electron will be most strongly attracted to A) Na / B) Al / C) P / D) Cl.