The least abundant gas in the air is a. Xenon, Xe
b. Oxygen, O2
c. Water, H2O
d. Nitrogen, N2

Agood hypothesis includes which of the following? a: prediction b: data c: uncertainty d: conclusion

Which factor is likely to impact the possible number of compounds? presence of unlimited number of elements in the periodic table the inability of atoms to align perfectly with other atoms the ability of all elements to react with every other element all elements being equally reactive

The molar mass of cu is 63.55 g/mol. the number of grams of cu produced in this reaction is