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Questions and Answers
Which alloy contains mercury as one of its constituents?
Which alloy contains mercury as one of its constituents?
- Alnico
- Solder
- Stainless steel
- Zinc amalgam (correct)
Element X loses an electron, and element Y gains an electron to form compound Z. Which property is NOT likely shown by Z?
Element X loses an electron, and element Y gains an electron to form compound Z. Which property is NOT likely shown by Z?
- Has a low melting point (correct)
- Occurs as a solid
- Has a high melting point
- Conducts electricity in a molten state
Element X has electron configuration 2,8; Y is 2,8,7; and Z is 2,8,2. Which statement is correct?
Element X has electron configuration 2,8; Y is 2,8,7; and Z is 2,8,2. Which statement is correct?
- Y is a metal
- Z is a non-metal
- Y is a non-metal and Z is a metal (correct)
- X is a metal
Metals generally form basic oxides, but which metal forms an amphoteric oxide?
Metals generally form basic oxides, but which metal forms an amphoteric oxide?
Non-metals are generally poor conductors of electricity. Which of these is a good conductor of electricity?
Non-metals are generally poor conductors of electricity. Which of these is a good conductor of electricity?
Flashcards
What is an amalgam?
What is an amalgam?
An alloy containing mercury.
What are properties of ionic compounds?
What are properties of ionic compounds?
A compound with a high melting point, conducts electricity when molten, and exists as a solid, formed by electron transfer.
Metal vs Non-metal Identification
Metal vs Non-metal Identification
Y is a non-metal, and Z is a metal based on their electron configurations.
What is an amphoteric oxide?
What is an amphoteric oxide?
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What is Graphite?
What is Graphite?
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