Ch. 4 Review
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Last updated almost 3 years ago
9 questions
Required
4
Use your periodic table to determine the number of valence electrons in the following elements.
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
4
Use your periodic table to determine the number of core electrons in the following elements.
Use your periodic table to determine the number of core electrons in the following elements.
0 | 2 | 8 | 10 | |
|---|---|---|---|---|
Nitrogen | ||||
Phospherous | ||||
Helium | ||||
Chlorine |
Required
4
Match the following shell diagram to the correct atom.
Match the following shell diagram to the correct atom.
| Draggable item | arrow_right_alt | Corresponding Item |
|---|---|---|
Neon | arrow_right_alt | |
Aluminum | arrow_right_alt | |
Berilium | arrow_right_alt | |
Nitrogen | arrow_right_alt |
Required
4
Match the following elements to the charge their ion would have
Match the following elements to the charge their ion would have
| Draggable item | arrow_right_alt | Corresponding Item |
|---|---|---|
Mg | arrow_right_alt | +1 |
N | arrow_right_alt | +2 |
K | arrow_right_alt | -3 |
Br | arrow_right_alt | -1 |
Required
1
Why do ions form?
Why do ions form?
Required
1
Atoms that lose electrons are ____________ and ____________.
Atoms that lose electrons are ____________ and ____________.
Required
2
Which of the following formulas are correct? (the numbers should be read as subscripts)
Which of the following formulas are correct? (the numbers should be read as subscripts)
Required
1
What is the proper formula for Magnesium hydroxide?
What is the proper formula for Magnesium hydroxide?
Required
4
what is the charge of the following polyatomic ions?
what is the charge of the following polyatomic ions?
| Draggable item | arrow_right_alt | Corresponding Item |
|---|---|---|
Sulfate | arrow_right_alt | 2- |
ammonium | arrow_right_alt | 3- |
hydroxide | arrow_right_alt | 1+ |
phosphate | arrow_right_alt | 1- |