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Chemistry definitions

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Section 1

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Conjugate base

Front

1 / 24

Chemistry Science

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4 years ago

Date created

Mar 1, 2020

Cards (24)

Section 1

(24 cards)

Conjugate base

Front

a base that forms when an acid loses a proton

Back

Allotrope

Front

different physical forms of the same element different molecular structures of the same element

Back

Atomic mass

Front

Number of protons and neutrons

Back

Exothermic reaction

Front

A reaction that releases energy in the form of heat

Back

Covalent

Front

A chemical bond that involves sharing a pair of electrons between atoms in a molecule

Back

Functional group

Front

An atom or group of atoms arranged in a particular way that is primarily responsible for the chemical and physical properties of the molecule in which it is found. There are a total of 10 of these.

Back

Electronegativity

Front

A measure of the ability of an atom in a chemical compound to attract electrons

Back

Relative atomic mass

Front

the weighted mean of all the naturally occurring isotopes of the element relative to carbon-12

Back

Unsaturated

Front

A compound is said to be ________ when it contains less than the maximum number of possible single bonds.

Back

First ionisation energy

Front

The energy required to remove one electron from each atom in one mole of gaseous atoms to form one mole of unipositive gaseous ions.

Back

Isotope

Front

The Atoms of the same element that have different numbers of neutrons

Back

Ionic bond

Front

Formed when one or more electrons are transferred from one atom to another

Back

Homologous series

Front

A series of organic compounds with the same functional group but with each successive member differing by CH2

Back

Conjugate acid

Front

an acid that forms when a base gains a proton

Back

Sublevel

Front

One part of a level, each of which can hold different numbers of electrons

Back

Heat of formation

Front

Heat released or absorbed when 1 mole of compound is formed from its elements

Back

Saturated compound

Front

organic compound that contains the maximum number of hydrogens per carbon atom

Back

Front

Back

Polar covalent

Front

A covalent bond in which electrons are not shared equally

Back

Energy level

Front

the specific amount of energy an electron has

Back

Primary standard

Front

A highly purified solid compound used to check the concentration of a known solution in a titration

Back

Endothermic reaction

Front

A reaction that ABSORBS energy in the form of heat

Back

Atomic number

Front

Number of protons

Back

Atomic orbital

Front

a region of space in which there is a high probability of finding an electron

Back