7. In chemical compounds, covalent bonds form when A. the electronegativity difference between two atoms is very large. B. pairs of electrons are shared between two nonmetal atoms. C. electrons are completely transferred between two metals. D. two nonmetal atoms are attracted to each other by opposite charges. 8. Which of the following is NOT a characteristic of ionic compound? A. high melting point B. conducts electricity C. high solubility D. low boiling points 9. Which of the following is an example of an ionic compound? С. СО2 A. NaCl В. Н2О D. NO 10. What type of bond is formed when 2 or more electrons are shared? C. ionic bond D. metallic bond A. covalent B. incomplete bond

Chemistry
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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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Subparts; 7-10

Read the following statements. Encircle the letter of the correct answer.
1. A covalent bond consists of
A. a shared proton
B. a shared electrons pair
C. two different ions
D. an octet of electrons
2. The only property listed that is NOT a characteristic of ionic compounds is
A. high melting point
B. hardness
C. lack of crystal structure
D. good conductor of heat
3. Which of the following is a characteristic property of ionic compounds?
A. They have low melting points.
B. they have low boiling points.
C. they form hard, brittle crystals with characteristic shapes.
D. they contain no charged particles
4. A chemical bond formed when two atoms share electrons is called a_.
A. ionic bond
B. covalent bond
5. Which is a property shared by most covalent compounds?
C. crystal bond
D. polyatomic bond
A. high boiling point
B. high melting point
C. low melting point
D. good conductor of heat
6. What elements generally make a covalent bond?
A. metal to metal
C. non-metal to non-metal
B. metal to non-metal
D. none of the above
7. In chemical compounds, covalent bonds form when
A. the electronegativity difference between two atoms is very large.
B. pairs of electrons are shared between two nonmetal atoms.
C. electrons are completely transferred between two metals.
D. two nonmetal atoms are attracted to each other by opposite charges.
8. Which of the following is NOT a characteristic of ionic compound?
C. high solubility
D. low boiling points
A. high melting point
B. conducts electricity
9. Which of the following is an example of an ionic compound?
С. СО2
A. NaCl
D. NO
10. What type of bond is formed when 2 or more electrons are shared?
C. ionic bond
D. metallic bond
В. Н20
A. covalent
B. incomplete bond
Transcribed Image Text:Read the following statements. Encircle the letter of the correct answer. 1. A covalent bond consists of A. a shared proton B. a shared electrons pair C. two different ions D. an octet of electrons 2. The only property listed that is NOT a characteristic of ionic compounds is A. high melting point B. hardness C. lack of crystal structure D. good conductor of heat 3. Which of the following is a characteristic property of ionic compounds? A. They have low melting points. B. they have low boiling points. C. they form hard, brittle crystals with characteristic shapes. D. they contain no charged particles 4. A chemical bond formed when two atoms share electrons is called a_. A. ionic bond B. covalent bond 5. Which is a property shared by most covalent compounds? C. crystal bond D. polyatomic bond A. high boiling point B. high melting point C. low melting point D. good conductor of heat 6. What elements generally make a covalent bond? A. metal to metal C. non-metal to non-metal B. metal to non-metal D. none of the above 7. In chemical compounds, covalent bonds form when A. the electronegativity difference between two atoms is very large. B. pairs of electrons are shared between two nonmetal atoms. C. electrons are completely transferred between two metals. D. two nonmetal atoms are attracted to each other by opposite charges. 8. Which of the following is NOT a characteristic of ionic compound? C. high solubility D. low boiling points A. high melting point B. conducts electricity 9. Which of the following is an example of an ionic compound? С. СО2 A. NaCl D. NO 10. What type of bond is formed when 2 or more electrons are shared? C. ionic bond D. metallic bond В. Н20 A. covalent B. incomplete bond
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