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Dorling Kindersley Science Encyclopedia Work/Review Sheets

PERIODIC TABLE

Read each question and circle the letter of the best answer.
NOTE: Some questions may have more than one "correct" answer - think carefully about what you have read, and choose the most complete one.

1.What is the periodic table?
A) a folding dinner set. B) a simple list of all the elements. C) a chart of punctuation. D) A, B & C.

2.The horizontal rows of elements gain one shell each row you go down, and are called what?
A) comas. B) eras. C) periods. D) A, B & C.

3.The periods start with an alkali metal on the left and end with what on the right?
A) an element with eight electrons in the outer shell. B) a noble gas. C) group 18. D) A, B & C.

4.The vertical columns contain elements which all have the same valency, and are called what?
A) sets. B) bands. C) groups. D) A, B & C.

5.Most of the chemical elements are what?
A) metals. B) solids. C) good conductors of heat and electricity. D) A, B & C.

6.Where in the table are the non metals located?
A) between the metals and the noble gases. B) in a triangle on the right side of the table. C) the center. D) A, B & C.

7.Metals form what kind of ions when they bond with other elements?
A) positive ions. B) cations. C) negative ions. D) A, & B.

8.Non-metals form what kind of ions when they bond with other elements?
A) negative ions. B) anions. C) positive ions. D) A, & B.

9.Most non-metals are what??
A) gases. B) poor conductors of heat and electricity. C) elements with low boiling points. D) A, B & C.

10.The number of electrons for each element is the same as what?
A) its number of neutrons. B) its atomic number. C) its number of protons. D) B & C.

11.As you go across a period on the table, the number of protons goes up by how much for each element?
A) one. B) its square root. C) a degree. D) A, B & C.

12.As you go across a period on the table, the size of each atom decreases. Why is that?
A) it fits in better. B) the extra protons in the nucleus pull the extra electrons closer. C) gravity. D) A, B & C.

What more can you say about MATTER now?________________________________________________________________________________
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Matter12 Š1999-2000 Sassafrass Grove Homeschool

NOTE: These work/review/related-activity sheets are for use with the DK Science Encyclopedia as a 12 part science study. The first portion of the initial section, "Matter" is presented here. More will be added as time permits. If you find errors or see need for additions, please contact us at the e-mail address provided at the bottom of this page.

This site and these worksheets are in no way associated with nor endorsed by Dorling Kindersley.

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