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Biology Vocab > 11-31 > Flashcards

11-31 Flashcards

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0
Q

Proton

A

The positively charged particle found in the nucleus of an atom

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1
Q

Atom

A

The basic unit of matter

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2
Q

Neutron

A

The particle with no charge found in the of the nucleus

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3
Q

Electron

A

The negatively charged particle found outside the nucleus of an atom

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4
Q

Molecule

A

A group of atoms bonding together forming the smallest fundamental unit of pure substance

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5
Q

Isotopes

A

Atoms of the same element with different number of neutrons

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6
Q

Chemical bonding

A

An attraction between to or more atoms resulting I’m the formation of different chemical substances

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7
Q

Chemical reaction

A

Changes in chemical substances involving bond breaking and/or forming resulting in different chemical substance

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8
Q

Ion

A

A positively or negative charged atom

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9
Q

Ionic bond

A

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

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10
Q

Covalent bond

A

Forms when electrons are shared between atoms

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11
Q

Valence electrons

A

The electrons in the outer shell or energy level that are available for bonding

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12
Q

pH

A

The measure of acidity or alkalinity of a solution

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13
Q

Acid

A

A substance that dissolves in water to release a hydrogen ion

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14
Q

Base

A

A substance that dissolves in water to release a hydroxide ion

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15
Q

Deoxyribonucleic acid (DNA)

A

The nucleic acid that contains all genetic information for a cell

16
Q

Double helix

A

The shape of DNA that resemble a spiral staircase or a twisted ladder

17
Q

Nucleic acid

A

The building block of living organisms that passes genetic information from one generation to the next

18
Q

Nucleotide

A

A monomer of nucleic acid ; consisting of a sugar, phosphate and a nitrogen bas

19
Q

Carbohydrate

A

The molecule that is the major source of energy for an organism

20
Q

Auto

A

Self

21
Q

Bio

A

Life

Biology Vocab (8 decks)

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