6 WEEK EXAM - REVIEW

Which of the following compounds have high boiling & melting points and can conduct electricity when dissolved in H₂O?

• ionic compound

• covalent compound

• metallic compound

• flatulent compound

Tags

NGSS.HS-PS1-3

What is the difference between an ionic and covalent bond?

• ionic bonds = metal + metal

  covalent = Nonmetal + nometal

• ionic bonds = metal + nonmetal

  covalent = Nonmetal + nometal

• ionic bonds = nonmetal + nonmetal

  covalent = metal + nometal

Tags

NGSS.HS-PS1-3

Which of the following shows an ionic bond between Li and Cl?

• 
• 
• 
• 

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Draw the covalent bond for the following:

a. CCl₄

b. H₂O

c. HCl

d. CH₄

Using your Molecular geometry notes, determine their shape (linear, bent etc.)

• a. trigonal planar

  b. linear

  c. bent

  d. trigonal pyramidal

• a. trigonal pyramidal

  b. bent

  c. linear

  d. trigonal planar

• a. bent

  b. linear

  c. bent

  d. linear

• a. tetrahedral

  b. bent

  c. linear

  d. tetrahedral

When writing ionic formulas with transition metals such as Iron (Fe) and copper (Cu), what do Roman numerals represent? Label the following Roman numerals accordingly. I____ II____ III____ IV____ V____ VI____ VII____ VIII____

Diatomic molecules consist of two atoms bonded together. The 7 diatomic molecules we will see in Chemistry are as follows:

H₂, N₂, F₂,O₂ , I₂, Cl₂ and Br₂. Which of these would form a double bond? Which would form a triple bond? Single bond? What molecular geometry would they possess?

• Single: O₂, Cl₂ , Br₂

  Double: N₂

  Triple: F₂, I₂, H₂,

• Single: Cl₂ , Br₂

  Double: N₂, O₂,

  Triple: F₂, I₂, H₂,

• Single: Cl₂ , Br₂

  Double:, O₂,

  Triple: F₂, I₂, H₂, N₂

• Single: Cl₂ , Br₂ F₂, I₂, H₂

  Double: O₂,,

  Triple: N₂

Tags

NGSS.HS-PS1-1

What is the formula for copper (I) sulfide? Is it ionic or covalent?

• CuS: ionic

• Cu₂S: covalent

• CuS: covalent

• Cu₂S: ionic

What is the difference between a monoatomic ion and polyatomic ion? Provide 3 examples of each.

• Monoatomic: multiple ions ex: Cl₂,Br₂, H₂

  Polyatomic: multiple ions ex: Na, B, Al

• Monoatomic: multiple ions ex: NO^-_3^-, PO^3-_4, SO^2-_3-

  Polyatomic: multiple ions ex: Cl₂,Br₂, H₂

• Monoatomic: singular ions ex: Na, B, Al

  Polyatomic: multiple ions ex: NO^-_3^-, PO^3-_4, SO^2-_3-

• Monoatomic: multiple ions ex: Na, B, Al

  Polyatomic: multiple ions ex: Cl₂,Br₂, H₂

What is the name for the following molecules: a. P₂O₅ b. NO c. CCl₄

• a. Phosphorous monoxide

  b. Sodium Monoxide

  c. Carbon Chloride

• a. triphosphorous hexoxide

  b. Nitrogen Monoxide

  c. Carbon pentachloride

• a. diphosphorous monoxide

  b. Nitrogen Monoxide

  c. Carbon tetrachloride

• a. diphosphorous pentoxide

  b. Nitrogen Monoxide

  c. Carbon tetrachloride

Tags

NGSS.MS-PS1-1

What would the formula for lithium phosphate be?

• LiPO₃

• Li₃PO₃

• Li₃PO₄

• LiPO₄