Which elements have complete outer shells in the periodic table

What is the mass of 3.91 x10^24 sulfur atoms?

What is the mass of a 1.00cm3 piece of iron having a density of 7.90g/cm3

24. The standard free energy of the aldolase reaction (in the reverse aldol direction) is 23.8 kJ/mol. The concentrations of the three metabolites in the hepatocyte are: fructose 1,6-bisphosphate (1.

Determine the value of the equilibrium constant, Kgoal, for the reaction N2 (g) + H2O (g) ⇌NO (g) + 12N2H4 (g), Kgoal=? by making use of the following information: 1. N2 (g) + O2 (g) ⇌2NO (g), K1 = 4.10*10-31 2. N2 (g) + 2H2 (g) ⇌N2H4 (g), K2 = 7.

Which particles in atom could demonstrate that opposite charges attract

What is the formula of hydronitric acid

How many moles are present in 34 grams of cu (oh) 2? * ?

A student dissolves 20g of potassium chloride in 100cm³ of water in a beaker. What is the concentration of the solution in g/dm³?

List of solid mixtures in a classroom

Which quantum number describes the energy level of an electron? Spin quantum number Principal quantum number Magnetic quantum number Angular momentum quantum number