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Flashcards in Chapter 23 Deck (13)
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1

A method for showing the number of valence electrons a substance has.

Electron dot structures

2

An atom or group of atoms that have a net electric charge.

Ion

3

An atom that has lost an electron. Typically metals.

Positive ion

4

An atom that has gained electrons. Halogens.

Negative ion (anion)

5

Show the charges on an ion.

Superscript numbers

6

Atoms gain or lose electrons until their valence shell is filled to capacity.

Shell model

7

How many valence electrons do atoms want?

8

8

The region where an atom's valence electrons are located. These are the electrons available for taking part in chemical reactions.

Valence shell

9

A bond between two oppositely charged ions created by electric charges.

Ionic Bond

10

A compound created by ions. (2NaCl)

Ionic compound

11

An ion composed of more than one atom. NO-3

Polyatomic ion

12

A chemical bond between atoms that share electrons.

Covalent bond

13

Compound held together by covalent bonds. CO2

Covalent compound