18th November 2019

chemicool

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What is a molecular complex?

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A complex is a molecular entity formed by loose association involving two or more component molecular entities (ionic or uncharged), or the corresponding chemical species. The bonding between the components is normally weaker than in a covalent bond.

Hereof, what is a complex metal?

In chemistry, a coordination complex consists of a central atom or ion, which is usually metallic and is called the coordination centre, and a surrounding array of bound molecules or ions, that are in turn known as ligands or complexing agents.

What is a complex substance?

Complex, in chemistry, a substance, either an ion or an electrically neutral molecule, formed by the union of simpler substances (as compounds or ions) and held together by forces that are chemical (i.e., dependent on specific properties of particular atomic structures) rather than physical.

What does it mean when you have a complex?

an emotional problem caused by unreasonable fears or worries. have/develop a complex about something: I used to have a complex about being in crowds. give someone a complex: If you keep telling her she's clumsy, you'll give her a complex.

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What is molecular association?

Chemical association, the aggregation of atoms or molecules into larger units held together by forces weaker than chemical bonds that bind atoms in molecules. The term is usually restricted to the formation of aggregates of like molecules or atoms.

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What is the difference between bind and bond?

My father has a saying that may help you remember the difference between the physical senses of “bind” and “bound”: “the ties that bind and the glue that bonds.” Ties bind two separate things together, but can be broken or separated. A bond, like a blood bond or a glue bond, unifies something, making it one.

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What is complex substance in biology?

the branch of biology that studies plants. catabolism. breakdown in living organisms of more complex substances into simpler ones together with release of energy. catalyst. substance that initiates or accelerates a chemical reaction.

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What is a complex in weight lifting?

A complex routine consists of several exercises strung together that form either segments of a bigger lift or completely autonomous exercises to get the entire body worked in a single period. In either case, you set one weight—either on the barbell or with dumbbells—and then set your rep scheme.

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What is a binding molecule?

Molecular binding is an attractive interaction between two molecules that results in a stable association in which the molecules are in close proximity to each other.

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What determines the shape and function of a protein?

The function of a protein is determined by its shape. The shape of a protein is determined by its primary structure (sequence of amino acids). The sequence of amino acids in a protein is determined by the sequence of nucleotides in the gene (DNA) encoding it.

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What is a chemical indicator used for?

Chemical indicator, any substance that gives a visible sign, usually by a colour change, of the presence or absence of a threshold concentration of a chemical species, such as an acid or an alkali in a solution. An example is the substance called methyl yellow, which imparts a yellow colour to an alkaline solution.

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What is complex chemistry in biology?

Complex systems biology (CSB) is a branch or subfield of mathematical and theoretical biology concerned with complexity of both structure and function in biological organisms, as well as the emergence and evolution of organisms and species, with emphasis being placed on the complex interactions of, and within,

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What is a complex metal?

In chemistry, a coordination complex consists of a central atom or ion, which is usually metallic and is called the coordination centre, and a surrounding array of bound molecules or ions, that are in turn known as ligands or complexing agents.

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What does it mean when you have a complex?

an emotional problem caused by unreasonable fears or worries. have/develop a complex about something: I used to have a complex about being in crowds. give someone a complex: If you keep telling her she's clumsy, you'll give her a complex.

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What is a ligand in chemistry?

In coordination chemistry, a ligand is an ion or molecule (functional group) that binds to a central metal atom to form a coordination complex. The bonding with the metal generally involves formal donation of one or more of the ligand's electron pairs.

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Is a complex number?

A complex number is a number of the form a + bi, where a and b are real numbers and i is an indeterminate satisfying i² = −1. For example, 2 + 3i is a complex number.

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What are complex compounds?

A coordination complex is the product of a Lewis acid-base reaction in which neutral molecules or anions (called ligands) bond to a central metal atom (or ion) by coordinate covalent bonds. Ligands are Lewis bases - they contain at least one pair of electrons to donate to a metal atom/ion.

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What is a complex metal ion?

A complex ion has a metal ion at its centre with a number of other molecules or ions surrounding it. These can be considered to be attached to the central ion by co-ordinate (dative covalent) bonds. As you know, a covalent bond is formed by two atoms sharing a pair of electrons.

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What is meant by a covalent bond?

A covalent bond, also called a molecular bond, is a chemical bond that involves the sharing of electron pairs between atoms. These electron pairs are known as shared pairs or bonding pairs, and the stable balance of attractive and repulsive forces between atoms, when they share electrons, is known as covalent bonding.

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What is coordination compound in chemistry?

A coordination complex is the product of a Lewis acid-base reaction in which neutral molecules or anions (called ligands) bond to a central metal atom (or ion) by coordinate covalent bonds. Ligands are Lewis bases - they contain at least one pair of electrons to donate to a metal atom/ion.

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What is the definition of a building complex?

Noun. 1. building complex - a whole structure (as a building) made up of interconnected or related structures. complex.

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What is a complex substance?

Complex, in chemistry, a substance, either an ion or an electrically neutral molecule, formed by the union of simpler substances (as compounds or ions) and held together by forces that are chemical (i.e., dependent on specific properties of particular atomic structures) rather than physical.

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What is the definition of a compound complex?

compound-complex sentence. A sentence that contains at least two independent clauses and at least one dependent clause: “Queen Elizabeth I was called a redhead (independent clause), but no one knew her hair color for sure (independent clause) because she always wore a wig (dependent clause).”

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