Ch. 4 Review

Last updated about 3 years ago

9 questions

Required

Library

Ch. 4 Review

Last updated about 3 years ago

9 questions

Required

Question 1

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

	1	3	5	7
Nitrogen
Phospherous
Sodium (Na)
Chlorine

Required

Question 2

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

	0	2	8	10
Nitrogen
Phospherous
Helium
Chlorine

Required

Question 3

Match the following shell diagram to the correct atom.

Draggable item		Corresponding Item
Nitrogen
Berilium
Aluminum
Neon

Required

Question 4

Match the following elements to the charge their ion would have

Draggable item		Corresponding Item
Br		+1
K		+2
N		-3
Mg		-1

Required

Question 5

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

Required

Question 6

Atoms that lose electrons are and .

Cations, positively charged

Anions, positively charged

Cations, negaitvely charged

Anions, negatively charged

Required

Question 7

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

BaBr2

K3O

NaO2

NaCl

Required

Question 8

What is the proper formula for Magnesium hydroxide?

MgOH

Mg(2)OH

MgOH(2)

MgO

Required

Question 9

what is the charge of the following polyatomic ions?

Draggable item		Corresponding Item
Sulfate		2-
ammonium		3-
hydroxide		1+
phosphate		1-

Question 1

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

	1	3	5	7
Nitrogen
Phospherous
Sodium (Na)
Chlorine

Question 2

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

	0	2	8	10
Nitrogen
Phospherous
Helium
Chlorine

Question 3

Match the following shell diagram to the correct atom.

Draggable item		Corresponding Item
Nitrogen
Berilium
Aluminum
Neon

Question 4

Match the following elements to the charge their ion would have

Draggable item		Corresponding Item
Br		+1
K		+2
N		-3
Mg		-1

Question 5

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

Question 6

Atoms that lose electrons are and .

Cations, positively charged

Anions, positively charged

Cations, negaitvely charged

Anions, negatively charged

Question 7

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

BaBr2

K3O

NaO2

NaCl

Question 8

What is the proper formula for Magnesium hydroxide?

MgOH

Mg(2)OH

MgOH(2)

MgO

Question 9

what is the charge of the following polyatomic ions?

Draggable item		Corresponding Item
Sulfate		2-
ammonium		3-
hydroxide		1+
phosphate		1-

Ch. 4 Review

Ch. 4 Review

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

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

Match the following shell diagram to the correct atom.

Match the following elements to the charge their ion would have

Why do ions form?

Atoms that lose electrons are ____________ and ____________.

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

What is the proper formula for Magnesium hydroxide?

what is the charge of the following polyatomic ions?

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

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

Match the following shell diagram to the correct atom.

Match the following elements to the charge their ion would have

Why do ions form?

Atoms that lose electrons are ____________ and ____________.

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

What is the proper formula for Magnesium hydroxide?

what is the charge of the following polyatomic ions?

Atoms that lose electrons are and .

Atoms that lose electrons are and .