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In the periodic table, horizontal row is called a __________. A vertical column is called a _____________. [e1ecf8f3-b7ee-4ab6-b6d5-a498af51c1e3] [d0f368ac-4158-408e-83b8-886c8beaacdf]

Now, lets convert 5 moles of H2O in grams. (pay attention to the number of oxygen and hydrogen atoms, H:1 g/mol and O: 16 g/mol)

Whats is the maximum number of electrons permitted in each of the following energy levels;   2nd energy level, ___ 5th  energy level, ___

Even though mercury (Hg) is liquid, it is a metal.   

When you balance the following reaction, what’s the sum of all the coefficients?   C5H12 + O2——CO2 + H2O 

Classify each of the following as an element, compound, or mixture

Which on the the single replacement reaction?

Which one of the following substances is the product of this reaction? And the coefficient of the product in the balanced reaction?   Magnesium + Nitrogen gas →  

By 2050, which country is expected to have the world’s largest Muslim population?  

The number of significant figures in the measurement of 45.0030 is __________