How many atoms of phosphorus are represented by one formula unit of calcium phosphate?

A. 3

B. 6

C. 9

D. 12

E. 18

Difference between electrovalent and covalent bonding

A solution was prepared by dissolving 476 mg of silver chromate (Ag2CrO4, MW = 331.73 g mol-1) in 633 mL of water a) moles of Ag2CrO4 b) millimoles of Ag2CrO4 c) molarity of Ag2CrO4 d) molarity of Ag + e) molarity of CrO4 2 - f) parts per million of

Andre is predicting the products of chemical reactions. In one reaction, a hydrocarbon is the only reactant. What is the best prediction and explanation of this reaction? Two new compounds form as the hydrocarbon undergoes a synthesis reaction.

Which statement most accurately compares the temperature of the core of the sun to its surface? A) the core is more than a thousand times hotter than the surface B) the surface is more than a thousand times hotter than the core C) the core is more

If 5.0 of al react with 9.0 g of O2, how many grams of Al2O3 (101.56 g/mol) can be formed

What element with the highest electronegativity value? Cesium calcium helium fluorine

How many neutrons and electrons are in Oxygen⁻¹⁷ isotope?

What is science all about?

What type of change is a substance that changes form but remains the same?

Which side of the mountain experiences high temperature in windward or leeward