Ionic bond

• Q: What are ions?

  A: atoms or molecules with a net electric charge
• Q: How are ions formed?

  A: losing or gaining an electron
• Q: What are the two types of ions?

  A: cation and anion
• Q: Name the characteristics of a cation

  A: - positively charged

  - donates electrons

  - metal
• Q: Name the characteristics of an anion

  A: - negatively charged

  - receives electrons

  - nonmetal
• FTB: Since Nitrogen, N can ___, in an ion form, it is _ (write as X2-/X2+) and therefore a/an _.

  A: receive 3 electrons, N3-, anion
• FTB: Since Potassium, K can ___, in an ion form, it is _ (write as X2-/X2+) and therefore a/an _.

  A: donate 1 electron, K1+, cation
• FTB: Since Iodine, I can ___, in an ion form, it is _ (write as X2-/X2+) and therefore a/an _.

  A: receive 1 electron, I1-, anion
• Q: What is ionic bonding?

  A: transferring of electrons between a metal and nonmetal
• Q: What groups donate electrons?

  A: 1A, 2A, 3A
• Q: What groups receive electrons?

  A: 5A, 6A, 7A
• Q: What method is used in ionic bonding?

  A: criss-cross method
• Practice: Give the final chemical formula of Beryllium and Nitrogen

  A: Be3N2
• Practice: Give the final chemical formula of Lithium and Sulfur

  A: Li2S
• Practice: Give the final chemical formula of Calcium and Chlorine

  A: CaCl2
• T or F: This is the correct final chemical formula for Li2O

  A: F

  
• T or F: This is the correct final chemical formula for Be3N2?

  A: T

  
• Q: What is a monoatomic ion?

  A: ion consisting of exactly one atom
• Q: What is a polyatomic ion?

  A: ion with two or more type of atom
• Monoatomic or Polyatomic: Al3+

  A: Monoatomic
• Monoatomic or Polyatomic: S2-

  A: Monoatomic
• Monoatomic or Polyatomic: NaCl

  A: Polyatomic
• Monoatomic or Polyatomic: KF

  A: Polyatomic
• Q: What is a binary compound?

  A: contains only two elements and uses a monoatomic anion
• Q: What is a ternary compound?

  A: contains three different elements and usually consists of a metal cation and polyatomic anion
• Binary or Ternary: MgCl2

  A: Binary
• Binary or Ternary: NaClO3

  A: Ternary
• Binary or Ternary: K2SO4

  A: Ternary
• Binary or Ternary: LiF

  A: Binary
• T or F: When naming the anion in binary compounds, you have to change the prefix to "-ide"

  A: F
• Practice: Give the final chemical formula and chemical name of

  Ca2+ + F1-?

  A: CaF2, Calcium Fluoride
• Practice: Give the final chemical formula and chemical name of

  Na1+ + P3-

  A: Na3P, Sodium Phosphide
• Q: What should be named first in a binary compound?

  A: cation
• Q: What should be named second in a binary compound?

  A: Anion
• Q: What should be named first in a ternary compound?

  A: cation
• Q: What should be named second in a ternary compound?

  A: polyatomic ion
• T or F: Ionic compound form minuscule ionic structures

  A: F
• T or F: Ionic structures are caused by the very strong attraction between the cations and anions

  A: T
• What am I: A three dimensional network of ions that are packed together in a regular pattern

  A: Crystal lattice
• Q: Why do ionic compounds have high melting and boiling points?

  A: due to the strong ionic bond between the ions