8. How many electrons are in the outermost

shell of a sulphur (S) atom?

A. 1

B. 2

C. 6

D. 7

Research the amount of carbon dioxide generally found in the air and in breath. which has more carbon dioxide? what are some of the other sources of carbon dioxide in air?

Which of the following covalent bonds is the most polar? H-F H-C H-N H-H

What elements are found in a 9 volt battery

What is the correct name for Na2CO3

What is the relatioship between atomic numbers and ionic radii of the elements in Group 1? what is the relationship between atomic numbers and first ionization energies?

For any enzyme, what would the initial velocity be, as a percent (%) of Vmax, if the [S] was equal to Km/10?

It was determined through analysis that a compound, sodium carbonate with a molar mass of 263 g/mol contained 68.4% water. determine the toilet number of water molecules in this hydrate

The combustion of a hydrocarbon X (30 cm3) with 350 cm3 of oxygen at STP resulted in the formation of 440 cm3 of gaseous products.

Which of these is an acid A (Vinegar

How are RNA and DNA used to make proteins? A-RNA has coded instructions for making proteins, and DNA translates the code. B-DNA forms the monomers that make up RNA, and RNA forms the monomers that make up proteins.