1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
jenyasd209 [6]
3 years ago
13

Which of the following compounds are ionic compounds? Check all of the boxes that apply.

Chemistry
2 answers:
Black_prince [1.1K]3 years ago
8 0

Answer:

CaCl2, MgO, and Na2O

Explanation:

just did it

lina2011 [118]3 years ago
5 0

Types of Bonds can be predicted by calculating the difference in electronegativity.

If, Electronegativity difference is,

 

                Less than 0.4 then it is Non Polar Covalent

                

                Between 0.4 and 1.7 then it is Polar Covalent 

            

                Greater than 1.7 then it is Ionic

 

For CaCl₂,

                    E.N of Chlorine       =   3.16

                    E.N of Calcium        =   1.00

                                                   ________

                    E.N Difference              2.16          (Ionic Bond)


For C-H Bond in C₆H₁₂O₆,

                    E.N of Carbon            =   2.55

                    E.N of Hydrogen        =   2.20

                                                   ________

                    E.N Difference                 0.35         (Non-Polar Covalent Bond)


For C-O Bond in C₆H₁₂O₆,

                    E.N of Oxygen           =   3.44

                    E.N of Hydrogen        =   2.55

                                                   ________

                    E.N Difference                 0.89         (Polar Covalent Bond)


For O-H Bond in C₆H₁₂O₆,

                    E.N of Oxygen           =   3.44

                    E.N of Hydrogen        =   2.20

                                                   ________

                    E.N Difference                 1.24         (Polar Covalent Bond)


For MgO,

                    E.N of Oxygen              =   3.44

                    E.N of Magnesium        =   1.31

                                                   ________

                    E.N Difference                    2.13         (Ionic Bond)


For Na₂O,

                    E.N of Oxygen              =   3.44

                    E.N of Sodium              =   0.93

                                                   ________

                    E.N Difference                    2.51         (Ionic Bond)


For SiO₂,

                    E.N of Oxygen              =   3.44

                    E.N of Silicon                =   1.90

                                                   ________

                    E.N Difference                    1.54         (Polar Covalent Bond)


Result:

Compounds having Ionic Bonds are Na₂O, MgO and CaCl₂.

You might be interested in
The sun is ____star
jeka94

The sun is a star.

If you were talking about that

7 0
2 years ago
Read 2 more answers
Calcium ions are removed from the sarcoplasm of the cardiac cell by the action of the sarcoplasmic reticulum (SR) Ca2+-ATPase pu
Ivan

Answer:

Sodium-calcium exchanger on the sarcolemma

Explanation:

The sodium-calcium exchanger which is an antiporter membrane protein, removes calcium from cells. The energy of the electrochemical gradient of sodium is used by allowing it to flow down its gradient while moving across the plasma membrane

7 0
3 years ago
If the frequency 38 Hz and the wavelength 20m what is the wave speed in Science
Akimi4 [234]
Answer: 20*38
Wave speed = 760m/s
7 0
3 years ago
What is the solubility of NH4Cl at 50°C?
NISA [10]

Answer : Option E) 50 grams.

Explanation : According to the solubility curves the compound NH_{4}Cl to dissolve at 50 °C in 100 mL of water will need 50 grams of the compound. It is clearly indicated in the graph which is marked with red that at 50°C approximately 50.4 grams of the compound NH_{4}Cl will be needed to dissolved in 100 mL of water to form a solution.


8 0
2 years ago
Read 2 more answers
Refer to the following illustration. How many hydrogen atoms could bond with oxygen?
WITCHER [35]
2. 

The reason why is because there are 2 available electron spots on the orbital for the oxygen atom. Hydrogen atoms have one proton and one electron, thus, in order to fill the oxygen atom orbital to a full outer shell, a maximum of 2 atoms could bond with the oxygen atoms. 

6 electrons (oxygen)+ 1 electron (hydrogen)+ 1 electron (hydrogen)= 8 
4 0
3 years ago
Read 2 more answers
Other questions:
  • A flexible container at an initial volume of 6.13 L contains 6.51 mol of gas. More gas is then added to the container until it r
    7·1 answer
  • What is a key element found in CO2 and glucose?
    13·2 answers
  • Our bodies are penetrated by x-rays but not by visible light. Is this because x-rays travel faster than visible light? Yes or no
    14·1 answer
  • How is an oxidation half-reaction written using the reduction potential chart? How is the oxidation potential voltage determined
    15·2 answers
  • How do we turn petroleum into energy we use?
    13·1 answer
  • Which of the following pure compounds will exhibit hydrogen bonding?
    5·1 answer
  • Which statement about the half-life of a radioactive sample is true?
    11·2 answers
  • How many moles of magnesium are in 35g of magnesium?
    8·1 answer
  • Which of the different components of smog depicted in the graph are most likely released from automobile exhaust?
    10·1 answer
  • Fake answers are reported and your account will be banned
    9·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!