Metals And Its Properties Flashcards
What are the three main categories of metals?
Ferrous metals, non-ferrous metals, and alloys.
True or False: Ferrous metals contain iron.
True.
Fill in the blank: The most common non-ferrous metal is ______.
Aluminum.
What property makes metals good conductors of electricity?
The presence of free-moving electrons.
Multiple choice: Which metal is known for its corrosion resistance?
C. Stainless steel.
What is the primary characteristic of ductility in metals?
The ability to be drawn into wires.
True or False: All metals are malleable.
False.
What is the term for the ability of a metal to be hammered or pressed into shape without breaking?
Malleability.
Fill in the blank: ______ is a metal that is liquid at room temperature.
Mercury.
Which metal is primarily used in electrical wiring due to its high conductivity?
Copper.
Multiple choice: Which of the following is a precious metal?
B. Gold.
What property of metals allows them to reflect light?
Luster.
True or False: Titanium is a ferrous metal.
False.
What is the main use of lead in construction?
As a shield against radiation.
Fill in the blank: The process of removing impurities from metal is known as ______.
Refining.
What is the primary alloying element in steel?
Carbon.
Multiple choice: Which metal is known for its lightweight and strength?
A. Aluminum.
True or False: Zinc is commonly used for galvanizing other metals.
True.
What is the term for the ability of a metal to withstand deformation under stress?
Strength.
Fill in the blank: ______ is a metal commonly used in batteries.
Lead.
What is the main characteristic of non-ferrous metals?
They do not contain iron.
Multiple choice: Which of the following metals is the heaviest?
C. Osmium.
What type of metal is typically used in the aerospace industry for its strength-to-weight ratio?
Titanium.
True or False: Silver has antibacterial properties.
True.
Fill in the blank: ______ is the process of heating and cooling metals to alter their properties.
Heat treatment.
What is the primary characteristic of reactive metals?
They easily form compounds with other elements.
Multiple choice: Which metal is known for its use in jewelry and currency?
A. Gold.
