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Grade 9 Periodic Table Basics Worksheet with Answers

Grade 9 (US) · Year 10 (UK) · Class 9 (India) · Chemistry

Unit 2: Atoms & the Periodic TableReading the Periodic TableNGSS HS-PS1-1

How the periodic table is organised, element symbols, and atomic number. This free high school worksheet has 16 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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Periodic Table Basics

Grade 9 · Chemistry

Score___ / 16

Name

Class

Date

Learning goal: Reading the Periodic Table · NGSS HS-PS1-1

Directions: This worksheet has 3 parts. Read the instructions at the start of each part.

Example

What is the chemical symbol for Calcium?

Answer: Ca

Part A

Label the diagram. Use the words in the box.

Word bank

atomic massatomic numberelement namesymbol
6CCarbon12.0111234
  1. 1
  2. 2
  3. 3
  4. 4
Part B

Match each clue to the right word. Write the letter in the box.

  1. 5What are the columns of the periodic table called?
  2. 6Which element has atomic number 1?
  3. 7What is the chemical symbol for Lead?
  4. 8What is the chemical symbol for Helium?
  5. 9What are the rows of the periodic table called?
  6. 10What is the chemical symbol for Sodium?
  • APeriods
  • BHydrogen
  • CPb
  • DNa
  • EHe
  • FGroups
Part C

Answer each question. Use full sentences where you can.

  1. 11

    Where are the metals found on the periodic table: left or right?

  2. 12

    What is the chemical symbol for Nitrogen?

  3. 13

    Are most elements on the periodic table metals or non-metals?

    MetalsNon-metals
  4. 14

    Why are noble gases very unreactive?

  5. 15

    Elements in the same group usually have similar properties. Why?

  6. 16

    What is the chemical symbol for Potassium?

★ Challenge corner for fast finishers

If you could fold a sheet of paper 42 times, roughly how thick would it be?

How did I do?

Teacher's comments

Free printable worksheets with answer keys · aethelsystems.com/worksheets/chemistry/9/periodic_table_basics

Answer key (click to show)
  1. 1.atomic number
  2. 2.symbol
  3. 3.element name
  4. 4.atomic mass
  5. 5.F — groups (families)
  6. 6.B — hydrogen
  7. 7.C — Pb
  8. 8.E — He
  9. 9.A — periods
  10. 10.D — Na
  11. 11.on the left and in the middle
  12. 12.N
  13. 13.metals
  14. 14.their outer electron shell is full
  15. 15.they have the same number of electrons in their outer shell
  16. 16.K
  17. ★far enough to reach the Moon (about 440,000 km) (challenge corner)

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