What most likely to the inclusion of these elements in the periodic table

What is the total momentum between two identical balls traveling toward each other at the same speed from opposite directions?

672.5 is 60.4% of what number?

Write the symbol for element x which has 22 electrons and 22 neutrons

Write the complete electron configuration for manganese

A sample of grape juice has a hydroxide ion concentration of 1.4 x 10-10 M. When you solve for pH, what value do you obtain?

Using your knowledge of symbols, determine which compound listed must contain both copper and oxygen. a. glucose, C6H12O6 b. chalcopyrite, CuFeS2 c. malachite, Cu2CO3 (OH) 2 d. calcite, CaCO3

Molecules move most slowly in: solids liquids gases compounds

When limestone (solid) is heated, it decomposes into lime (solid) and carbon dioxide gas. This is an extremely useful industrial process of great antiquity, because powdered lime mixed with water is the basis for mortar and concrete - the lime

Identify each enthalpy change by name and classify each change as exothermic or endothermic. 1. 1 mol NaCl (s) à 1 mol NaCl (l) 2. C4H10 O (l) à C4H10O (g) 3. H2O (g) à H2O (l) 4. 1 mol NaCl (s) + 3.

Calculate the number of atoms in a 1.26*103 g sample of silicon.