Test review (Anna and Sara)

What is the definition of the conservation of mass?

• energy cannot be created or destroyed

• equations always have to be balanced

• Mass cannot be created or destroyed, only rearranged

What element is in group 8 period 5?

• Iron

  (Fe)

• Ruthenium

  (Ru)

• Xenon

  (Xe)

• Calcium

  (Ca)

What element is this? 2)8)2

• Magnesium

  (Mg)

• Phosphorus

  (P)

• Lithium

  (Li)

• Sulfur

  (S)

Will "Oxygen" get stolen from OR steal?

• Stolen

• Steals

Which one is an ionic bond?

• Chlorine and Hydrogen

• Nitrogen and Boron

• Fluorine and Potassium

What is the definition of a covalent bond?

• A covalent bond is a bond between 2 metals

• A covalent bond is a bond between 2 nonmetals

Which side of the periodic table has the most non-metals?

• Left

• Right

Nitrogen Dioxide = ?

• O2N

• ON2

• NO5

• NO2

What side are the products on?

• Right

• Left

Is this equation balanced?

• Yes

• No