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Grade 10 Ionic, Covalent & Metallic Bonds Worksheet with Answers

Grade 10 (US) · Year 11 (UK) · Class 10 (India) · Science

Unit 2: Bonding & CompoundsChemical BondsNGSS HS-PS1-3

How atoms bond by transferring or sharing electrons, and the properties that result. This free high school worksheet has 12 questions and a full answer key. Print it or save it as a PDF — every answer is checked by code, not guessed.

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Ionic, Covalent & Metallic Bonds

Grade 10 · Science

Score___ / 12

Name

Class

Date

Learning goal: Chemical Bonds · NGSS HS-PS1-3

Directions: This worksheet has 2 parts. Read the instructions at the start of each part.

RememberChemical bonds

Ionicmetal + non-metalelectrons transferred: NaClCovalentnon-metalselectrons shared: H₂OMetallicmetal atomssea of electrons: Cu
Part A

Ionic or Covalent? Tick one box for each.

IonicCovalent
1H₂O
2NaCl
3MgO
4CO₂
Part B

Answer each question. Use full sentences where you can.

  1. 5

    Why do ionic compounds have high melting points?

  2. 6

    What holds atoms together in a metal?

  3. 7

    Covalent bonds usually form between which types of elements?

  4. 8

    Ionic bonds usually form between which types of elements?

  5. 9

    In an ionic bond, are electrons shared or transferred?

    SharedTransferred
  6. 10

    In a covalent bond, are electrons shared or transferred?

    SharedTransferred
  7. 11

    Why is water a polar molecule?

  8. 12

    How many covalent bonds does carbon usually form?

★ Challenge corner for fast finishers

Why does your breath make fog on a cold window?

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Teacher's comments

Free printable worksheets with answer keys · aethelsystems.com/worksheets/science/10/bonding

Answer key (click to show)
  1. 1.covalent
  2. 2.ionic
  3. 3.ionic
  4. 4.covalent
  5. 5.strong attractions between oppositely charged ions
  6. 6.a sea of shared (delocalized) electrons — metallic bonding
  7. 7.nonmetals
  8. 8.a metal and a nonmetal
  9. 9.transferred
  10. 10.shared
  11. 11.oxygen pulls the shared electrons more, and the molecule is bent
  12. 12.four
  13. ★water vapor in your breath condenses on the cold glass (challenge corner)

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