What change must occur in the chemical configuration of sulfur to achieve a noble gas configuration?

What are the five indicators of a chemical change

How many photons are contained in a burst of yellow light (589 nm) from a sodium lamp that contains 623 kJ of energy?

How will oxygen appear on the final chemical equation

It can be formed by sharing electrons. Is this true for all compounds or just salt?

Which statement differentiates between prokaryotic cells and eukaryotic cells? Eukaryotic cells have DNA; prokaryotic cells do not. Prokaryotic cells have DNA; eukaryotic cells do not. Eukaryotic cells have nuclei; prokaryotic cells do not.

In a polar molecule, which atom will have the greatest partial negative charge? A) the smallest atom B) the least electronegative atom C) the largest atom D) the most electronegative atom

Why is portion control important

Which ionic compound is the most likely to dissolve in water? CaSO4 Na2SO4 BaSO4 SrSO4

Calcium (atomic number 20) has electron configuration 1s2,2s2,2p6,3s2,3p6,4s2. The atomic number of scandium is 21. Which orbital does the 21st electron enter? a. 3d b. 4p c. 4d d. 4f

In these solutions, identify the solute and the solvent Sea water, a solution composed of a variety of salts dissolved in water. The salt is the Soda water, a solution composed of carbon dioxide gas dissolved in water.