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What is a substance formed by the combination of two or more elements in definite proportions?
A chemical compound.
The combination of two or more elements in definite proportions forms a compound. For instance, hydrogen and oxygen combine in a two to one ratio in order to form water. Similarly, one sodium atom reacts with one chlorine atom to form the ionic compound sodium chloride.
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What factors affect the ratio when substance combine to form compounds?
The ratio at which substances combine to form compounds is influenced by the valency of the elements involved. Valency is the combining power of an element that determines how many other atoms it can bond with. Additionally, the type of chemical bond (ionic, covalent, metallic) formed between the elements will also affect the ratio in which they combine to form compounds.
What is formed by the chemical combination of two or more elements?
A compound is formed by the chemical combination of two or more elements. These elements chemically bond together in fixed ratios to create a substance with unique properties different from the individual elements.
Laws of chemical composition?
The laws of chemical composition are fundamental principles in chemistry. The Law of Definite Proportions states that compounds always have fixed proportions of elements by mass. The Law of Multiple Proportions describes how elements can combine in different whole-number ratios to form distinct compounds. The Law of Conservation of Mass asserts that mass is conserved in chemical reactions. Avogadro's Law states that equal volumes of gases at the same temperature and pressure contain the same number of molecules. These laws underpin our understanding of chemical reactions and the behavior of matter, forming the basis for stoichiometry and helping predict and describe chemical outcomes.
What did Dalton's experiments show?
Dalton's experiments showed that elements combine in definite proportions to form compounds, supporting the idea of atomic theory. He also proposed that atoms of different elements have different masses, and that chemical reactions involve the rearrangement of atoms.
Are molecules and elements the same thing?
No, molecules and elements are not the same thing. An element is a pure substance made of only one type of atom, while a molecule is a group of atoms bonded together. Elements can exist as single atoms or as molecules depending on their chemical composition.
What term describes a substance formed by the combination of two ore more elements in definite proportions?
A compound is a substance formed by the combination of two or more elements in definite proportions. Each compound has a specific chemical formula that indicates the types of atoms present and the ratio in which they are combined.
Is a compound a substance of two or more elements bounded together in definite proportions?
A compound is a substance of two or more elements bounded together in definite atomical proportions
What is the substance formed by the chemical combination of two or more elements in definite proportion?
A compound is the substance formed by the chemical combination of two or more elements in definite proportions. It has a unique chemical structure and properties different from its constituent elements.
A combination of two or more elements in definite proportions?
compounds
What are pure compounds?
A substance made from two or more elements in definite proportions. eg NaCl
What is the chemical combination of two or more elements in definite proportions?
This is a chemical compound.
What term represents a compound?
Compounds can be described using element symbols and numbers
Substance formed by the chemical combination of two or more elements in definate proportions?
compound
Substance formed by the chemical combination of two or more elements in definite proportion?
A compound is formed by the chemical combination of two or more elements in definite proportions. The atoms in compounds are held together by chemical bonds, and compounds have unique properties that are different from the elements that make them up. Examples of compounds include water (H2O) and sodium chloride (NaCl).
When two or more different elements joined together in fixed proportions is known as?
A compound is the pure substance formed from the chemical combination of two or more different elements in a fixed ratio.
Does a mineral contains certain elements in definite proportions?
Yes
Does a mineral always contain certain elements in definite proportions?
No, a mineral does not always contain certain elements in definite proportions. While minerals have a specific chemical composition, the proportions of elements can vary within certain limits and still be considered the same mineral.
