a. atom
b. element
c. ion
d. matter
e. molecule
neon is an inert gas, found in the last column of the periodic table. this is a model depicting the smallest particle of neon. review the prompt. what statements also describe this model?
a) a and b
b) a and d
c) a, b, and d
d) a, b, d and e

Look at the reaction below: ca(hco3)2 --> caco3 + co2 + h2o first, balance the reaction. once balanced, use dimensional analysis or another method to find out how many moles of carbon dioxide will be produced if we start with 16.5 moles of calcium bicarbonate (calcium hydrogen carbonate). = mol of co2 number needs to be reported to three significant figures.

Suppose a lab group reports a ppercent yield of sand of 105. is it really possible to collect more sand than was originally represented? what is the possible explanation for the extra product?

How many moles of oxygen react with 12 moles of aluminum