metals
A class of pure substance refers to elements and compounds that are uniform in composition and properties throughout. This category includes elements like oxygen and compounds like water, which have specific chemical formulas and consistent physical and chemical characteristics. These substances can exist in different states (solid, liquid, gas) and can be identified by their unique set of properties.
Hydrogen, oxygen, carbon, and silver are all chemical elements found on the periodic table. Each element has its own unique properties and characteristics. They can combine with each other and with other elements to form various compounds and molecules.
Semi-metals, also known as metalloids, exhibit properties of both metals and nonmetals. While they have some metallic characteristics, they are not considered true metals. Instead, semi-metals are a distinct category in the periodic table.
Some examples of elements on the Periodic Table include oxygen, gold, helium, and carbon. Each element is represented by a unique chemical symbol (e.g. O for oxygen, Au for gold) and has distinct properties and characteristics.
metals
The class of elements characterized by these physical properties is metals. Metals have a shiny appearance, can be shaped easily (malleability), and are good conductors of electricity and heat.
Elements are classified into classes based on their properties and characteristics. The main classes of elements are metals, nonmetals, and metalloids. Metals are typically shiny, malleable, and good conductors of heat and electricity. Nonmetals are typically dull, brittle, and poor conductors. Metalloids have properties of both metals and nonmetals.
Metalloids are the class of elements that have properties of both metals and nonmetals. They have characteristics of both, such as being semi-conductive like nonmetals and having metallic luster like metals. Examples of metalloids include silicon, germanium, and arsenic.
The words used to describe an object are called its (PROPERTIES).
In science class we learn about elements.
Object is an identifiable entity with some characteristics and behaviour .A class is a group of objects that share common properties.
A class of pure substance refers to elements and compounds that are uniform in composition and properties throughout. This category includes elements like oxygen and compounds like water, which have specific chemical formulas and consistent physical and chemical characteristics. These substances can exist in different states (solid, liquid, gas) and can be identified by their unique set of properties.
Metals are a class of elements. A pure metal is an element. Some metals are alloys, which mean they have more than one metal or element in them. The metal bronze is made of two elements, the metal tin and the metal copper.
Attributes of a class are also known as properties or fields. They define the characteristics or data that instances of the class will have. In object-oriented programming, these attributes can store information specific to an object created from the class.
Oxides are the class of compounds formed when oxygen combines with elements. They typically consist of a metal or non-metal element bonded to oxygen. Oxides can vary widely in their properties and uses depending on the elements involved in the reaction.
Flourine belongs to a class of elements called Halogens, which are similar in their chemical and physical properties. The other elements of this group are Chlorine, Bromine, Iodine, Astatine and Ununseptium. Astatine, however, is not considered to be a true halogen since it is radioactive in nature and Ununseptium is a synthetic element.