2.1, 2.2, 13.12, 13.13 (Exam 1)

Question 1

What do molecular formulas specify?

Answer 1

The number of atoms of each element in a molecule of a substance

Question 2

What are empirical formulas?

Answer 2

The simplest formulas that express the correct ratios between atoms in a compound

Question 3

How do molecular formulas and empirical formulas relate?

Answer 3

The molecular is a whole number multiple of the empirical formula

Question 4

What are oxidation numbers?

Answer 4

Fictitious charges that are assigned to the atoms in molecules

Question 5

In ionic compounds, what must the sum of oxidation numbers equal?

Answer 5

The charge on the compound

Question 6

How are ionic compounds named?

Answer 6

The cation is listed first, followed by the anion, with the suffix -ide on the end of monatomic anions

Question 7

How are binary covalent compounds named?

Answer 7

Write the element that comes first, the element that comes second, and add -ide to the end. Use Greek prefixes to identify the compound if elements can make multiple different compounds