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The chlorine atom gains seven electrons when it becomes an ion.

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Presentation on theme: "The chlorine atom gains seven electrons when it becomes an ion."— Presentation transcript:

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2 The chlorine atom gains seven electrons when it becomes an ion.

3 A) NaCl B) ClNa C) Na 7 Cl 1 D) SCl

4 A) ZnN B) Zn 2 N C) Zn 3 N 2 D) ZnN 2 E) Zn 2 N 3 F) ZnN 3

5 A) Anions B) Cations C) Valence electrons D) Orbital electrons

6 A) Negative two B) Positive two C) IDK D) Positive one

7 A) None B) One C) Six D) eight

8 A cation is positively charged because it will gain electrons to have a stable electron configuration like a noble gas.

9 The spirit colors at SEHS are red, white, and blue.

10  The charge of an anion is negative.

11 A) 1s 2 2s 2 2p 5. B) the same as that of the neon atom. C) 1s 2 2s 2 2p 6 3s 1. D) the same as that of a potassium ion.

12 a. form crystal lattices. b. contain positive ions. c. contain mobile valence electrons. d. form ionic bonds.

13 a. 2+c. 3+ b. 2–d. 1+

14 A) nitrate ion. B) nitric ion. C) nitride ion. D) nitrite ion.

15  aIt gains 2 electrons.  bIt does not change its number of electrons.  cIt gives up 2 electrons.  dCalcium does not obey the octet rule.

16  What is the net charge of the ionic compound calcium fluoride?  a2–  b0  c1–  d1

17  What is the formula unit of sodium nitride?  aNa 3 N  bNaN 3  cNa 2 N  dNaN 2

18  A.their properties are often superior to those of their component elements.  B.they are less expensive to produce than their component elements.  C.they never corrode.  D.their properties are a blend of their component elements.

19  What characteristic of metals makes them good electrical conductors?  A.They have mobile cations.  B.They have mobile valence electrons  C.They have mobile protons.  D. Their crystal structures can be rearranged easily.


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