Periodic Table (Vocab) Flashcards

1
Q

Define the Periodic Table (for modern)

A

Table of elements arranged by increasing atomic number

(modern table)

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2
Q

Define the Periodic Table

for Mendeleev

A

Table of elements arranged by increasing atomic mass

Mendeleev

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3
Q

Define Energy Levels

A

Area located at a fixed distance from the nucleus of an atom where electrons can orbit the nucleus

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4
Q

Define Valence Electrons

A

Electrons in the outer energy level of an atom that is potentially involved in a chemical reactions

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5
Q

Define Groups

A

Column of the periodic table, which contains elements with similar properties

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6
Q

Define Metals

A

Class of elements that are good conductors of electricity

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7
Q

Define Periods

A

Row of the periodic table that contains elements ranging from metals on the left to metalloids and to nonmetals on the right

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8
Q

Define Metalloids

A

Class of elements that have some properties of metals and some properties of nonmetals

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9
Q

Define Families

A

Same thing as group
(column of periodic table which contains elements with similar properties)
~Mendeleev~

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10
Q

Define Element

A

Pure substance that cannot be separated into any other substances

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11
Q

Define Nonmetals

A

Class of elements that do not conduct electricity

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12
Q

Define Bohr’s Model

A

In Bohrs atomic model, electrons move around the nuclear us only at fixed distances, based on the amount of energy they have

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13
Q

Define APE Man

A

A word that helps you remember the places of things on the periodic table, also an equation

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14
Q

Define Chemical Symbol

A

A short hand way of representing an element (EX: Carbon = C)

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15
Q

Define Malleable

A

A metal that can be hammered, pressed Permanently out of shape without breaking are cracking

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16
Q

Define Ductile

A

Cable to be deformed without losing toughness; pliable not brittle

17
Q

Define Noble Gasses

A

Unreactive gases (EX: helium, neon, argon, krypton)