Use the periodic table to find the two ions (positive ion and negative ion) for each compound. Then write the formula. Remember, the overall charge of the compound is neutral (zero charge). Thus, the overall positive charge must be equal to the overall negative charge. Example: calcium chloride 2+ Ca C (These two charges are not the same, but 2 chloride ions will give an overali negative charge of -2. The positive ion already has a + 2 charge.) Ca²+ Cl₂ Therefore, CaCl₂ is the answer. Name 1) sodium chloride ex. 2) potassium bromide 3) calcium oxide 4) magnesium sulfide Ca²+ CI CI Positive Ion Na+ Count up the total charge. +2, -1, -1 This adds up to zero!! Negative Ion CI Formula NaCl K Br
Use the periodic table to find the two ions (positive ion and negative ion) for each compound. Then write the formula. Remember, the overall charge of the compound is neutral (zero charge). Thus, the overall positive charge must be equal to the overall negative charge. Example: calcium chloride 2+ Ca C (These two charges are not the same, but 2 chloride ions will give an overali negative charge of -2. The positive ion already has a + 2 charge.) Ca²+ Cl₂ Therefore, CaCl₂ is the answer. Name 1) sodium chloride ex. 2) potassium bromide 3) calcium oxide 4) magnesium sulfide Ca²+ CI CI Positive Ion Na+ Count up the total charge. +2, -1, -1 This adds up to zero!! Negative Ion CI Formula NaCl K Br
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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I'm having trouble understanding how to put these formulas together
![Worksheet 4: Writing Formulas for Ionic Compounds
Use the periodic table to find the two ions (positive ion and negative ion) for each
compound. Then write the formula.
Example: calcium chloride
CQ ²+
Remember, the overall charge of the compound is neutral (zero charge). Thus, the overall
positive charge must be equal to the overall negative charge.
2+
Ca²+ Cl₂
Therefore, CaCl₂ is the answer.
Name
C (These two charges are not the same, but 2 chloride ions will give
an overall negative charge of -2. The positive ion already has a +
2 charge.)
1) sodium chloride
2) potassium bromide
3) calcium oxide
General Science 3200
4) magnesium sulfide
5) zinc chloride
6) sodium sulfide
7) strontium fluoride
lithium oxide
ex.
9) potassium nitride
10) sodium phosphide
11) aluminum chloride
12) calcium nitride
13) aluminum oxide
14) magnesium phosphide
15) aluminum sulfide
Ca²+
CI CI
Name: Joshua Smith
Positive Ion
Na+
Count up the total charge.
+2, -1, -1
This adds up to zero!!
Negative Ion
CI-
Formula
NaCl
K Br](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fb3b608a1-d4a7-4507-9b6b-c3204bf1cdfc%2F9bc0ba8b-be2d-4668-9349-89c187f75b71%2Fxo68kh6_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Worksheet 4: Writing Formulas for Ionic Compounds
Use the periodic table to find the two ions (positive ion and negative ion) for each
compound. Then write the formula.
Example: calcium chloride
CQ ²+
Remember, the overall charge of the compound is neutral (zero charge). Thus, the overall
positive charge must be equal to the overall negative charge.
2+
Ca²+ Cl₂
Therefore, CaCl₂ is the answer.
Name
C (These two charges are not the same, but 2 chloride ions will give
an overall negative charge of -2. The positive ion already has a +
2 charge.)
1) sodium chloride
2) potassium bromide
3) calcium oxide
General Science 3200
4) magnesium sulfide
5) zinc chloride
6) sodium sulfide
7) strontium fluoride
lithium oxide
ex.
9) potassium nitride
10) sodium phosphide
11) aluminum chloride
12) calcium nitride
13) aluminum oxide
14) magnesium phosphide
15) aluminum sulfide
Ca²+
CI CI
Name: Joshua Smith
Positive Ion
Na+
Count up the total charge.
+2, -1, -1
This adds up to zero!!
Negative Ion
CI-
Formula
NaCl
K Br
![Worksheet 4: Writing Formulas for Ionic Compounds
Use the periodic table to find the two ions (positive ion and negative ion) for each
compound. Then write the formula.
Remember, the overall charge of the compound is neutral (zero charge). Thus, the overall
positive charge must be equal to the overall negative charge.
Example: calcium chloride
2+
Ca
2+
Ca²+ Cl₂
Therefore, CaCl₂ is the answer.
Name
General Science 3200
C (These two charges are not the same, but 2 chloride ions will give
an overali negative charge of -2. The positive ion already has a +
2 charge.)
1) sodium chloride
2) potassium bromide
3) calcium oxide
4) magnesium sulfide
5) zinc chloride
6) sodium sulfide
7) strontium fluoride
8) lithium oxide
9) potassium nitride
10) sodium phosphide
11) aluminum chloride
12) calcium nitride
13) aluminum oxide
14) magnesium phosphide
15) aluminum sulfide
ex.
Cr Cr
Ca²+
Positive Ion
Na
Name: Joshua Smith.
+
Count up the total charge.
+2, -1, -1
This adds up to zero!!
Negative Ion
CIT
Formula
Na Cl
K Br](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fb3b608a1-d4a7-4507-9b6b-c3204bf1cdfc%2F9bc0ba8b-be2d-4668-9349-89c187f75b71%2Fdjwo08f_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Worksheet 4: Writing Formulas for Ionic Compounds
Use the periodic table to find the two ions (positive ion and negative ion) for each
compound. Then write the formula.
Remember, the overall charge of the compound is neutral (zero charge). Thus, the overall
positive charge must be equal to the overall negative charge.
Example: calcium chloride
2+
Ca
2+
Ca²+ Cl₂
Therefore, CaCl₂ is the answer.
Name
General Science 3200
C (These two charges are not the same, but 2 chloride ions will give
an overali negative charge of -2. The positive ion already has a +
2 charge.)
1) sodium chloride
2) potassium bromide
3) calcium oxide
4) magnesium sulfide
5) zinc chloride
6) sodium sulfide
7) strontium fluoride
8) lithium oxide
9) potassium nitride
10) sodium phosphide
11) aluminum chloride
12) calcium nitride
13) aluminum oxide
14) magnesium phosphide
15) aluminum sulfide
ex.
Cr Cr
Ca²+
Positive Ion
Na
Name: Joshua Smith.
+
Count up the total charge.
+2, -1, -1
This adds up to zero!!
Negative Ion
CIT
Formula
Na Cl
K Br
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