today is 25 point question guys don't be greedy of points and please answer this as soon as you can
Answers
Metal - Metal, any of a class of substances characterized by high electrical and thermal conductivity as well as by malleability, ductility, and high reflectivity of light.
Non Metal - a nonmetal (or non-metal) is a chemical element that mostly lacks the characteristics of a metal. Physically, a nonmetal tends to have a relatively low melting point, boiling point, and density.
Atom - Atom, smallest unit into which matter can be divided without the release of electrically charged particles. It also is the smallest unit of matter that has the characteristic properties of a chemical element.
Molecule - a group of two or more atoms that form the smallest identifiable unit into which a pure substance can be divided and still retain the composition and chemical properties of that substance.
Metalloid - an imprecise term used to describe a chemical element that forms a simple substance having properties intermediate between those of a typical metal and a typical nonmetal.
Compound - A compound is a substance formed when two or more chemical elements are chemically bonded together. In mixtures, the substances present are not chemically bonded together.
Element - any substance that cannot be decomposed into simpler substances by ordinary chemical processes.
Radioactive elements - Radioactive elements are made up of atoms whose nuclei are unstable and give off atomic radiation as part of a process of attaining stability.
Answer:
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Metal - Metals are the substance which have the property of ductility , malleability , sonorous in nature. Ex - Iron , copper etc .
Non-metal - Non metal are substance which have not any property of metals like ductility and malleability
Atom - The smallest unit of any substance is known as atom
Molecules - When two or more atom combined together then a molecule is formed .
Metalloid - substance which have property of both metal and non metal are called metalloids
ex - silicon , germanium
compound - When two or more molecules of different atom joined together they form compound
Elements - Substance which can not be resolved itno their components by any physical or chemical process know as elements .
Radioactive elements - Elements which emits radiation and deceased their amount by emitting radiation known as radioactive elements .
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