If an atom has an atomic mass of 19 and a atomic number of 9 whats its protons neutrons and electrons

Select the correct empirical formula for each molecular formula given. Molecular formula: C6H1206 Empirical formula: o C6H1206 O C2H402 O CH20 O CHO

Is many popular beverages are sold in two-kilo bottles.

What type of reaction is most likely to occur when barium reacts with fluorine? write the chemical equation for the reaction?

Turn the word equation into a chemical balanced equation. Potassium chlorate breaks down into potassium chloride and oxygen gas

You have added IgG-sensitized red cells to the negative indirect antiglobulin test result of the antibody screen procedure. You observe agglutination in the tube. Is the antibody screen interpretation positive or negative?

How is petrol separated from the mixture of hydrocarbons in crude oil?

The following chemical reaction takes place in aqueous solution: MgBr2 (aq) + 2KOH (aq) →Mg (OH) 2 (s) + 2KBr (aq) Write the net ionic equation for this reaction.

How many molecules are in 1.2 moles of H20?

Which of the following is diamagnetic? A) Sn B) Pb 2+ C) I D) N E) All are paramagnetic

Based on your observations in the lab, what do you think happens to the majority of water (not, ice) at the poles? at the equator?