Metaller Flashcards
What are the three main types of metals?
Ferrous, non-ferrous, and alloy metals.
True or False: Metals are generally good conductors of electricity.
True.
Fill in the blank: Metals are typically characterized by their __________.
luster.
What property allows metals to be drawn into wires?
Ductility.
Which metal is known for its high corrosion resistance?
Stainless steel.
What is the term for metals that can be hammered or pressed into shapes without breaking?
Malleability.
Multiple choice: Which of the following is a property of metals? A) Brittle B) Ductile C) Non-conductive
B) Ductile.
What is the primary reason metals have high melting points?
Strong metallic bonds.
True or False: All metals are magnetic.
False.
What property makes metals suitable for construction materials?
Strength.
Fill in the blank: The ability of metals to conduct heat is known as __________.
thermal conductivity.
Which metal is the most abundant in the Earth’s crust?
Aluminum.
Multiple choice: Which of the following is a non-ferrous metal? A) Iron B) Copper C) Steel
B) Copper.
What is the term for the ability of a metal to resist deformation?
Hardness.
True or False: Metals typically have a low density.
False.
What is the significance of the term ‘alloy’ in relation to metals?
An alloy is a mixture of two or more metals.
Fill in the blank: Metals are typically __________, meaning they can be polished to a shiny surface.
lusterous.
Which metal is commonly used for electrical wiring due to its excellent conductivity?
Copper.
What property of metals allows them to be used in making tools?
Toughness.
Multiple choice: Which metal is known for being lightweight and strong? A) Lead B) Titanium C) Gold
B) Titanium.
True or False: Metals can be both brittle and ductile.
True.
What is the term for the process of removing impurities from metals?
Refining.
Fill in the blank: The __________ of a metal is a measure of its ability to withstand scratches.
hardness.
What is the main characteristic that differentiates ferrous metals from non-ferrous metals?
Ferrous metals contain iron.
