Elements on the periodic table are organized by what?

increasing atomic number

decreasing atomic mass

increasing valence electrons

decreasing neutron count

When is di - used in the name of a hydrocarbon? when the main chain contains two carbon atoms when there are two different substituents when there are two main chains of equal length when there are two identical substituents

Process in which water vapor turns to liquid

How many moles of sulfur are needed to react completely with 1.2 mol of O2?

How many milligrams are in a kilometer

Gaseous methane will react with gaseous oxygen to produce gaseous carbon dioxide and gaseous water. Suppose 0.802 g of methane is mixed with 1.9 g of oxygen. Calculate the maximum mass of water that could be produced by the chemical reaction.

You add heat to matter, the atoms that make up the matter will begin to move?

What is the h2 h2o molar ratio?

Which of earth's systems was most affected by fossilized dinosaurs? A. Biosphere B. Hydrosphere C. Lithosphere D. Atmosphere

What factors are used to determine whether a bond will be polar or nonpolar? And what factors are used to determine whether a molecule will be polar or nonpolar?

The model of the atom evolved over time as scientific investigations uncovered new properties and observations about the atom. Describe the function of a model in scientific investigations.