Which statement about ionic compounds is incorrect? lonic compounds include table salt, calcium carbonate, and sodium bicarbonate. o lonic solids dissolved in water dissociate to form ions. lonic bonds are formed between metals and nonmetals. o lonic bonds involve the sharing of electrons by metals and nonmetals. lonic compounds are held together by the attraction between positive and negative ions.
Which statement about ionic compounds is incorrect? lonic compounds include table salt, calcium carbonate, and sodium bicarbonate. o lonic solids dissolved in water dissociate to form ions. lonic bonds are formed between metals and nonmetals. o lonic bonds involve the sharing of electrons by metals and nonmetals. lonic compounds are held together by the attraction between positive and negative ions.
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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Hi,
I am doing a practice test and need to check my answers. All of this is for Chem 101
Please see attached:
![**Question 39**
Which statement about ionic compounds is **incorrect**?
- Ionic compounds include table salt, calcium carbonate, and sodium bicarbonate.
- Ionic solids dissolved in water dissociate to form ions.
- Ionic bonds are formed between metals and nonmetals.
- Ionic bonds involve the sharing of electrons by metals and nonmetals.
- Ionic compounds are held together by the attraction between positive and negative ions.
**Question 40**
How many grams of water are produced when 10.0 grams of O₂ react with excess H₂?
\[ 2 \, \text{H}_2 + \text{O}_2(\text{g}) \rightarrow 2 \, \text{H}_2\text{O} \]
- 11.25 grams
- 20 grams
- 46 grams
- 180 grams
- 360 grams
**Question 41**
In the following equation, what is the coefficient of oxygen (O₂) when the equation is balanced?
\[ \_\_\_ \, \text{C}_3\text{H}_8 + \_\_\_ \, \text{O}_2 \rightarrow \_\_\_ \, \text{CO}_2 + \_\_\_ \, \text{H}_2\text{O} \]
- 2
- 3
- 4
- 5
- 10
**Question 42**
Which of these does **not** form a negative ion in an ionic compound?
- Br
- N
- Se
- I
- Al](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F80366bbd-a758-40e7-b9ec-8d2e3445db54%2Fcf609ab2-9adf-4bdf-8654-f31b6ef737fa%2Fzxisk5d_processed.png&w=3840&q=75)
Transcribed Image Text:**Question 39**
Which statement about ionic compounds is **incorrect**?
- Ionic compounds include table salt, calcium carbonate, and sodium bicarbonate.
- Ionic solids dissolved in water dissociate to form ions.
- Ionic bonds are formed between metals and nonmetals.
- Ionic bonds involve the sharing of electrons by metals and nonmetals.
- Ionic compounds are held together by the attraction between positive and negative ions.
**Question 40**
How many grams of water are produced when 10.0 grams of O₂ react with excess H₂?
\[ 2 \, \text{H}_2 + \text{O}_2(\text{g}) \rightarrow 2 \, \text{H}_2\text{O} \]
- 11.25 grams
- 20 grams
- 46 grams
- 180 grams
- 360 grams
**Question 41**
In the following equation, what is the coefficient of oxygen (O₂) when the equation is balanced?
\[ \_\_\_ \, \text{C}_3\text{H}_8 + \_\_\_ \, \text{O}_2 \rightarrow \_\_\_ \, \text{CO}_2 + \_\_\_ \, \text{H}_2\text{O} \]
- 2
- 3
- 4
- 5
- 10
**Question 42**
Which of these does **not** form a negative ion in an ionic compound?
- Br
- N
- Se
- I
- Al
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