Chem Review questions (cardbox)

25 Karteikarten

• 1
  what are molecular compounds composed of?

  molecules
• 2
  what are ionic formulas composed of?

  ions
• 3
  molecular compound bond type?

  covalent bonds
• 4
  ionic compound bond type?

  ionic bonds
• 5
  molecular compounds achieve noble gas configuration by.....

  sharing electrons
• 6
  Ionic compounds achieve noble gas configuration by.....

  gaining/losing electrons
• 7
  boiling and melting points for molecular compounds are...

  low
• 8
  boiling and melting points for ionic compounds are....

  high
• 9
  the physical state at room temp of a molecular compound is?

  gas, liquid, or solid
• 10
  physical state at room temp of a ionic compound?

  solid
• 11
  are molecular compounds electrical cunductors?

  no
• 12
  are ionic compounds electrical conductors?

  yes, when dissolved
• 13
  what type of elements are molecular compounds made of?

  all nonmetals
• 14
  what type of elements are ionic compounds made of?

  metals + nonmetals
• 15
  what noble gas has the same electron configuration as ...

  helium
• 16
  what causes the boiling point of H2O to be much higher then ...

  ionic bonds
• 17
  in witch group n the periodic table is the outermost s ...

  alkali metals
• 18
  what characteristic makes metals good electrical conductors?

  they have mobile vailence electrons
• 19
  the tendancy of an atom to atract electrons in a bond is ...

  electronegativity
• 20
  what is the molecular shape of H2O

  bent
• 21
  what is the molecular shape of CO2

  linear
• 22
  is H2O polar of non polar?

  polar
• 23
  is CO2 polar or non-polar?

  non polar
• 24
  dose H2O have a high or low boiling point compare to CO2?

  high
• 25
  dose CO2 have a high or low boiling point compared to H2O?

  lower