Search over 10,000 free study notes

Answer: water, followed by hydrogen fluroide, ammonia and lowest is methane.

Explanation: First it helps to write the molecular formulae of these molecules and know their shape:

As group 2 in the periodic table comprises of metals, the reactivity of group 2 elements towards chlorine increases when working our way down the group 2 metals. This is compared to non-metals when the...

Crude oil is seperated using a method called fractional distillation. The hydrocarbons that make up crude oil have different boiling points, so when the crude oil is heated, each compound evaporates at...

A C to C double bond has a high electron density. As the bromine gets close to the C=C bond the high electron density repels the electrons in the H-Br bond further towards the H making the H slightly n...

Avogadro's number is simply used as a way of telling us how much of a substance we have. 

The number is 6.022 x 10²³, and if we have that number of particles, we can make it ea...