Gemma Young and Mark Levesley Solutions for Exercise 10: Exercise 10

Describe the difference between an element and a compound.

How many carbon and oxygen atoms are in one molecule of carbon dioxide $\left({\mathrm{CO}}_2\right)$?

A molecule of glucose has the formula ${\mathrm{C}}_6{\mathrm{H}}_{12}{\mathrm{O}}_6$. What elements make up a glucose molecule?

A molecule of glucose has the formula ${\mathrm{C}}_6{\mathrm{H}}_{12}{\mathrm{O}}_6$. How many of each atom are in one molecule of glucose?

The compound lithium oxide has the formula ${\mathrm{Li}}_2\mathrm{O}$. Which statement is correct?

The formula of magnesium chloride is ${\mathrm{MgCl}}_2$. A piece of magnesium chloride contains $400$ chlorine atoms. How many magnesium atoms are there?