Electrons And Chemical Bonding

Front 1

An atom that has fewer than 8 valence electrons is more _______, or more likely to form a bond than an atom with 8 valence electrons.

Back 1

reactive

Front 2

The atomic number represents the number of __________ and _________ in the atom

Back 2

protons
electrons

Front 3

The levels farther from the nucleus contain electrons that have _____ energy that levels closer to the nucleus.

Back 3

more

Front 4

Chemical bonds involve the _________ in the atoms.

Back 4

electrons

Front 5

Atoms bond by gaining, losing , or sharing elecrons in order to have a _______ outermost energy level.

Back 5

filled

Front 6

The number of electrons in an atom can be determined by the _________ ___________.

Back 6

Atomic number

Front 7

The first energy level can hold up to _____ electrons.

The second energy can hold up to ___ electrons.

The outermost energy level is considered to be full if it contains ___ electrons.

Back 7

2
8
8

Front 8

The electrons in the outermost energy level of an atom are called ___________ electrons.

Back 8

valence

Front 9

The joining of atoms to form new substances is called ____________ ___________.

Back 9

chemical bonding

Front 10

Most atoms form bonds using only the electronsin their ___________ energy level.

Back 10

outermost

Front 11

A force of attraction that holds two atoms together is called a ___________ _________.

Back 11

chemical bond

Front 12

1- Li, Na, _
2- Be, __, Ca
3- _, Al
4- _, Si
5- N, _
6- -, S
7- F, __

Back 12

K
Mg
B
C
P
O
Cl