Q2_7 SCIENCE 8 PERIODIC TABLE OF ELEMENTS

SCIENCE 8

1. Activity Directions: Fill in the missing information below by using the Periodic Table of Elements. Write your answers on a separate sheet of paper.

2. 3 REVIEW “ELEMENT TRIVIA CHALLENGE”

3. 4 TRIVIA # 1 This element in Group 1, Period 3 is part of table salt and explodes when placed in water. 💡

4. 5 TRIVIA # 2 This strong metal from Group 8, Period 4 is used to build bridges and buildings. 💡

5. 6 TRIVIA # 3 Found in Group 13, Period 3 , this shiny metal is used in cans and roofs. 💡

6. 7 TRIVIA # 4 This gas in Group 16, Period 2 is essential for breathing and supports combustion. 💡

7. 8 TRIVIA # 5 This reddish metal from Group 11, Period 4 is used to make electrical wires. 💡

8. 9 TRIVIA # 6 This precious metal from Group 11, Period 6 is used in jewelry and never rusts. 💡

9. 10 TRIVIA # 7 This nonmetal in Group 17, Period 3 is used to disinfect water and swimming pools. 💡

10. 11 TRIVIA # 8 Found in Group 14, Period 3 , this metalloid is used in making glass and computer chips. 💡

11. All the known chemical elements are arranged on the Periodic Table of Elements in an informative array. There are already 118 elements discovered as of 2019. These elements are arranged from left to right and from top to bottom in an increasing order of atomic numbers.

12. Groups 1, 2, and 13 through 18 – these elements from the taller columns which are the Groups 1, 2, and 13 through 18 are called representative elements or main groups of the periodic table. Groups 3 – 12 - elements belong to group 3 – 12 are transition metals. These elements are hard (except Mercury),malleable, ductile, and good conductors of electricity,with one and/or two valence electrons. ELEMENTS GROUP/FAMILY

13. 14

14. 15

15. 16

16. 17

17. 18

18. 19

19. 20

20. 21

21. 22 Group 18

22. 23

23. 24 Metals,Nonmetals & Metalloids