A symbol for Fluorine atom is:

• Fl

• F

• f

• Fr

F^- is a symbol for:

• fluorine atom

• fluorine ion

• fluoride ion

• fluorine oxide

OH^- is a symbol for:

• hydroxide ion

• oxide ion

• hydrogen oxide ion

• peroxide ion

A symbol for oxide ion is:

• O₂

• O₂^-

• O^2-

• O

• O^-

The IUPAC name for CO₃^2- is:

• carbon dioxide

• carbonate ion

• carboxide ion

• carbpxyl ion

A symbol for mercury is:

• Me

• Hg

• Cr

• Cu

A symbol for chromium (III) ion is:

• Ch (III)

• Cr (III)

• Co (III)

• Cs (III)

The IUPAC name for Na₂O is:

• sodium hydroxide

• sodium oxide

• sodium (II) oxide

• sodium carbonate

Symbol for potassium is _________

• P

• Po

• K

• Pt

A symbol for silicone is __________

• Si

• Se

• S

• Sb