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Ch. 4 Review

Last updated over 3 years ago

9 questions

Required

4

Required

4

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4

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4

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1

Required

1

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2

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1

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4

Question 1

1.

Question 2

2.

Question 3

3.

Draggable item		Corresponding Item

Question 4

4.

Draggable item		Corresponding Item

Question 5

5.

Question 6

6.

Question 7

7.

Question 8

8.

Question 9

9.

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Use your periodic table to determine the number of valence electrons in the following elements.

1

3

5

7

Nitrogen

Phospherous

Sodium (Na)

Chlorine

Use your periodic table to determine the number of core electrons in the following elements.

0

2

8

10

Nitrogen

Phospherous

Helium

Chlorine

Match the following shell diagram to the correct atom. 

Berilium

Neon

Nitrogen

Aluminum

Match the following elements to the charge their ion would have

N

+1

Br

+2

Mg

-3

K

-1

Why do ions form?

So atoms have a negative charge

So atoms have a negative charge

So atoms are neutral

So atoms resemble noble gasses

Atoms that lose electrons are ____________ and ____________.

Cations, positively charged

Anions, positively charged

Cations, negaitvely charged

Anions, negatively charged

Which of the following formulas are correct? (the numbers should be read as subscripts)

BaBr2

K3O

NaO2

NaCl

What is the proper formula for Magnesium hydroxide?

MgOH

Mg(2)OH

MgOH(2)

MgO

what is the charge of the following polyatomic ions?

ammonium

2-

hydroxide

3-

phosphate

1+

Sulfate

1-