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What metals are used to make ferromagnets?
Iron, nickel, and cobalt are the most common metals used to make ferromagnets. These metals have magnetic properties that allow them to be easily magnetized and retain their magnetism.
What are two properties of metals that make them useful to transport energy?
Metals have high thermal and electrical conductivity, allowing them to efficiently transfer heat and electricity. They are also ductile and malleable, making them easy to shape into long wires for transmitting energy over long distances.
Why isn't pure aluminum used to make large objects?
Pure aluminum is too soft and malleable for making large objects, as it lacks the necessary strength and durability. It is often mixed with other metals to enhance its mechanical properties and make it suitable for structural applications.
What are the 3 main groups of metal?
54 of our chemical elements are classed as metals. All metals share certain properties such as being ductile (capable of being deformed or stretched), malleable (easily bent or shaped) and a conductor of heat and electricity. The metals are divided into different groups depending on their other properties. An element's properties are a result of how many electrons are in its outer energy level and position on the periodic table is based on this. This means each group of elements that share similar properties occupies a specific area on the periodic table. The metal groups are alkali metals, alkaline earth metals, transition metals and other metals. The alkali metals and the alkaline earth metals, groups one and two respectively on the periodic table, have similar properties. Due to their high reactivity they are not found in their pure forms naturally. The elements that make up the alkali metals are lithium, sodium, potassium, rubidium, caesium and francium. They all have only one electron in the outer energy level, meaning they behave similarly in the formation of compounds. Alkali metals react violently with water. For instance, if potassium is dropped in water it floats around while emitting a violet flame. Groups one metals are relatively soft, with low densities and melting points compared to other metals. The alkaline earth metals form group two of the periodic table, so each have two electrons in their outer shell. These are beryllium, magnesium, calcium, strontium, barium and radium. They have similar properties to the Alkali metals in group one. Group two metals, when compared to group one metals on the same period (row) of the periodic table, show some consistent differences. The group two metals are less reactive than those in group one. For instance calcium can react only with hot water, whereas potassium, its group one counterpart, reacts violently with any water. The group two metals have higher melting and boiling points and are harder, stronger and denser. The transition metals lie in the centre block of the periodic table, in groups 3 to 12. There are 38 transition metals, including elements such as iron, gold and zinc. Transition metals share some common characteristics. The majority are a silvery-blue colour at room temperature (copper and gold being the exceptions to this.) Many form coloured compounds, and many are good catalysts. They have high densities and melting points. The three magnetic elements iron, cobalt and nickel are all transition metals. The final group is the "other metals", or "poor metals" located in groups 13, 14 and 15. This includes aluminium, gallium, indium, tin, thallium, lead and bismuth. They are softer than transition metals, with lower melting and boiling points.
Why are two different metals needed when making a bimetallic strip for a thermoteter?
Two different metals are needed in a bimetallic strip to take advantage of their different thermal expansion properties. When heated, one metal expands more than the other, causing the strip to bend. This bending action is used in thermometers to measure temperature changes.
Which properties of metals do you utilise to make a copper wire?
Ductility is the property of metals that enables them to be drawn into wires......
What are the different categories are the elements put into?
Elements are categorized into metals, non-metals, and metalloids based on their properties such as conductivity, appearance, and reactivity. Metals are typically shiny, malleable, and good conductors of heat and electricity. Non-metals are often dull in appearance, brittle, and poor conductors. Metalloids share properties of both metals and non-metals.
What are the five main groups of materials?
The five main groups of materials are metals, polymers, ceramics, composites, and semiconductors. Each group has unique properties and characteristics that make them suitable for different applications in various industries.
Are all solid elements metals?
No, not all solid elements are metals. There are three main types of elements: metals, nonmetals, and metalloids. While metals make up the majority of the periodic table, there are also nonmetals and metalloids which have different properties and characteristics.
What are the properties of metals that make it useful for electricians?
Plastic is a property of metal for electricians
What two properties of metals make them good for bicycle frames?
It is light and strong
What are the three properties for Metalloids?
Metalloids are elements that have properties intermediate between metals and nonmetals. They typically have characteristics of both metals and nonmetals, such as being semi-conductive, having varying degrees of metallic luster, and being brittle in solid form. Their properties make them useful in applications where properties of both metals and nonmetals are desired.
What metals are used to make ferromagnets?
Iron, nickel, and cobalt are the most common metals used to make ferromagnets. These metals have magnetic properties that allow them to be easily magnetized and retain their magnetism.
What are the metals used to make gold harder?
Metals such as copper, silver, and palladium are commonly alloyed with gold to make it harder and more durable. The addition of these metals also affects the color and other properties of the gold alloy.
Is nitrogen Malleable or Ductile?
Nitrogen is a GAS, the main component of air.
What other metals have the same properties as gold?
Really none. That is why gold is so valuable. While other metals have similar properties to gold, none of them have the exact same. The closest metals to gold in terms of its properties are silver, platinum and palladium.
What are four properties of metals and what does each mean?
Four properties of metals are: hardness (resistance to erosion), ductility (possibility to make wires), maleability (possibilty to be easy machined), melting point (temperature for the change solid to liquid), etc.
