Synthesis and Decomp

A decomposition reaction can be represented as _____________________.

• AB  → A + B
• A + B → AB
• AB + CD → AC + BD
• A + BC → B + AC

A chemical change in which two or more substances react to form a new substance is a ____________________________.

• decomposition reaction
• synthesis reaction
• double displacement reaction
• combustion reaction

A synthesis reaction can be represented as ________________________.

• AB + CD → AC + BD
• AB → A + B
• A + B → AB
• A + BC → B + AC

The number of atoms you begin with in a chemical reaction ...

• must be the same as the number of  atoms you end with
• must be an even number
• can be different to the number you finish with
• changes depending on how much energy is formed

Which side of a chemical equation is the product side?

• Left (before the yields sign)
• Right (after the yields sign)

What state of matter is this substance?

• solid

• liquid

• gas

• aqueous

In what state is this substance?

• solid precipitate

• dissolved in water

• released as a gas

• liquid

Barium + Oxygen ->

• Oxide Barium

• Barium Oxide

• Oxygen Baride

• Barium Oxygen

Fluorine + Calcium ->

• fluoride calcium

• fluorine calcium

• calcium fluorine

• calcium fluoride

potassium chloride ->

• potassium + chlorine

• potassium chlorine

• potassium + chloride

• no reactoin