Periodic Trends 6 Flashcards

1
Q

Atoms want to be in a _ state

A

Stable

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2
Q

Sometimes the only way to find stability for atoms is to _

A

Bond with another atom

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3
Q

The connection between two atoms is called its _

A

Chemical bond

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4
Q

A chemical bond is the force that combines two or more atoms together by

A

Their electrons

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5
Q

Two elements of chlorine bond to form

A

Cl2

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6
Q

Because two elements of chlorine have equal electronegativity, the bond will look like

A

Cl-Cl

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7
Q

_ in Cl-Cl indicates they are bonded

A

-

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8
Q

In Cl-Cl, each atom of Cl contributes _ to the bond

A

One electron

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9
Q

Electronegativity is the tendency of an atom to _ in a chemical bond

A

Attract electrons

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10
Q

Electronegativity increases from _ to _ in a column

A

Bottom

Top

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11
Q

Electronegativity increases from _ to _ across a period

A

Left

Right

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12
Q

Noble gases don’t have _ since they do not bond

A

Electronegativity values

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13
Q

F is most _

A

Electronegative

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14
Q

_ is least electronegative

A

Fr

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15
Q

Reactivity measures how likely an atom will _ or _ with another atom

A

React

Bond

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16
Q

Reactivity depends on ionization energy _

A

How difficult it is to get rid of outer electron

17
Q

Reactivity also depends on valence electrons _

A

How badly atom needs to gain an extra electron

18
Q

_ and _ have opposite trends

A

Metals

Nonmetals

19
Q

_ increases as you move down a group

A

Reactivity

20
Q

Reactivity increases as you

A

Move across a period from left to right

21
Q

(Metals) reactivity increases down and decreases left to right because

A

Metals react by losing electrons

22
Q

Nonmetals reactivity decreases as you _ in a group

A

Move down

23
Q

Nonmetals reactivity increases as you _ in a period

A

Move left to right

24
Q

Nonmetals react by

A

Gaining electrons

25
Q

Ionic radius is the measurement of half the distance between

A

The nuclei of two ions