What is the formula mass for C9H11NO3?

Which subatomic particle(s) would be found outside the nucleus of the atom?

What is the name for P2O3?

Which of the following are among the postulates of Dalton’s atomic theory? Matter is composed of exceedingly small particles called atoms Atoms of one element differ in properties from atoms of all other elements Atoms are composed of protons, neutrons and electrons

You find that the length of an object is 455 mm. How many meters is this?

Elements in group 1 are known as …

The molar mass of ammonia is 17.03 g/mol. Given 38.01 g of ammonia, how many moles of ammonia do you have?

Carbon dioxide is an example of …

Name the polyatomic ion, S2O32-.

Identify the ionic compound(s). CO2 K2CO3 SO2