chapter 5 Jasimen licht Flashcards

0
Q

What is chemical structure

A

The arrangement of the atoms in a substance

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1
Q

What is chemical bond

A

The attractive force that holds atoms or ions together

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2
Q

What is bond length

A

The distance between two bonded atoms at their minimum potential energy

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3
Q

What is bond angle

A

The angle formed by two bonds to the same atom

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4
Q

What is hydrogen bond

A

The intermolecular force occurring when a hydrogen atom that is bonded to a highly electronegative atom of one molecule is attracted to two unshared electrons of another molecule

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5
Q

What is ionic bond

A

A bond formed by the attractive between oppositely charged ions

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6
Q

What is metallic bond

A

A bond formed by the the attraction between positively charged metal ions and the electrons around them

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7
Q

What is covalent bond

A

A bond formed when atoms share one or more pairs of electron

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8
Q

What is polyatomic ion

A

An ion made of two or more atoms

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9
Q

What is formula unit

A

Na+ ion and one Cl- ion is made of of NaCl

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10
Q

What is nonpolar covalent bond

A

Bonds like one, in which electrons are shared equally

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11
Q

What is polar covalent bond

A

An unequal sharing of electrons forms

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12
Q

What is empirical formula

A

The composition of a compound in terms of the relative numbers and kinds of atoms in the simplest ratio

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13
Q

What is molecular formula

A

A chemical formula that shows the number and kinds of atoms in a molecule but not the arranged meant of atoms

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14
Q

What is organic compound

A

A covalent lay bonded compound that contains carbon, excluding carbonates and oxides

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15
Q

What is polymer

A

A large molecule that is formed by more than five monomers, or small units

16
Q

What is carbohydrate

A

Any organic compound that is made of carbon,hydrogen, and oxygen and that provides nutrients to the cells of living things

17
Q

What is proteins

A

An organic compound that is made of one or more chains of amino that is a principal compounding of all cells

18
Q

What is amino acid

A

Any one of 20 different organic molecules that contains a Carboxyl and an amino group and that combined to form proteins

19
Q

What is hydrocarbon

A

When a compound is made of only carbon and hydrogen atoms

20
Q

What is alkane

A

Are hydrocarbons that have only single covalent bonds

21
Q

What is alkene

A

They have at least one double covalent bond between carbon atoms. They are named like alkalis but with the ane ending replace ene

22
Q

What is DNA

A

Are all natural polymers. Man made polymers are usually either plastics or fibers.