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Part A 1. What do we call a chemical bond that is formed by the transfer of electrons?

Part A
1. What do we call a chemical bond that is formed by the transfer of electrons?
2. Write the correct name for the compound with the formula KCl.
3. Ionic bonds are generally formed between what types of elements?
4. An ionic bond forms between particles with what type of charges?
5. In the process of ionic bonding, describe what happens to the electrons.
6. Which pair of elements would most likely form an ionic compound? Explain why.
7. Out of the following compounds (SF₆, H₂O, CO₂, CaO), which one is ionic?
8. Out of the following compounds (H₂O, CO₂, SrCl₂, SO₃), which one is ionic?
9. Which of the following is NOT an ionic compound: PCl₅, CrCl₃, NaCl, PbCl₂?
10. Write the correct name for the compound Na₂O.
Part B
1. List two features of an ionic bond:
(i)
(ii)
2. Name the following ionic compounds:
NaBr
NaCl
CaO
LiS
ZnI₂
AgS
SrCl₂
RbF
BeO

Answer

  1. Ionic bond

  2. Potassium chloride

  3. Metals and nonmetals

  4. Opposite charges (positive and negative)

  5. Electrons are transferred from the metal to the nonmetal.

  6. A metal and a nonmetal would most likely form an ionic compound because metals tend to lose electrons and nonmetals tend to gain electrons.

  7. CaO

  8. SrCl₂

  9. PCl₅

  10. Sodium oxide

Part B

  1. (i) High melting and boiling points

  2. (ii) Conduct electricity when dissolved in water

  3. NaBr: Sodium bromide

  4. NaCl: Sodium chloride

  5. CaO: Calcium oxide

  6. LiS: Lithium sulfide

  7. ZnI₂: Zinc iodide

  8. AgS: Silver sulfide

  9. SrCl₂: Strontium chloride

  10. RbF: Rubidium fluoride

  11. BeO: Beryllium oxide

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