Is the group number the number of electrons on the outermost shell

Rank these gas samples according to pressure

What is the formula for the compound dinitrogen pentoxide? n4o5 n5o4 n4o6 n5o2 n2o5?

How many moles of oxygen atoms are contained in the following? (a) 2.41 mol KMnO4 (b) 46.8 mol CO2 (c) 1.10 10-2 mol CuSO4·5 H2O

Determine the kinds of intermolecular forces that are present in each element or compound. you may want to reference (pages 466 - 476) section 11.3 while completing this problem.

Calculate the mole fraction of NaCl in a solution prepared by dissolving 117 g NaCl in 1.11 kg H2O. 1.12 * 10-2 6.29 * 10-2 1.57 * 10-2 9.91 * 10-1 3.15 * 10-2

A 26 L flask at 224 K and 19 Torr contains nitrogen. What mass of nitrogen is present?

Which statement explains why large atoms are more reactive than small atoms? A. Large atoms have valence electrons farther from the nucleus and lose them more readily. B.

Is the number of genes an organism has is equal to the number of traits that organism has

What changes rock inside earth

Radium-226 has a half life of 1,599 years. What proportion of a sample radium-226 would be left after 4,797 years have passed?