Covalent Compounds, Formulas, And Struture

Question 0

Paramagnetic

Answer 0

Substances that have unpaired electrons

Question 1

Octet rule

Answer 1

Noble gas configuration will be achieved if the Lewis structure shows right electrons around each atom

Question 2

Diamagnetic

Answer 2

Substances that have all their e- paired and have very small magnetic fields

Question 3

Paramagnetic substances are attracted towards

Answer 3

An external magnet

Question 4

Formal charge

Answer 4

The difference between the number of e- an atom has in a Lewis structure and the number if valence e-

Question 5

Formal charge is used to

Answer 5

Evaluate the validity of a Lewis structure

Question 6

Elements with a greater electronegativity will form atoms with a ______ charge

Answer 6

Negitive

Question 7

Calculate formal charge

Answer 7

Valence e- - [Number of nonbonding e- + .5(number of bonding e-)]

Question 8

A Lewis structure is most accurate when formal charge is equal to

Answer 8

0

Question 9

What symbol indicates resonance structures

Question 10

Resonance structure

Answer 10

Lewis structures that are completely equivalent

Question 11

What is a polar atom

Answer 11

An atom with a positive an negative end as a result of a covenant bond

Question 12

Partially positive polarities are found

Answer 12

Towards the lower left of the periodic table

Question 13

Calculate the magnitude of bond polarity

Answer 13

Albsolute value of the difference in the electronegativity of the 2 atoms

Question 14

VAEPR theory

Answer 14

States that electron pairs will repel each other since all electrons carry a negative charge

Question 15

When delta EN is greater than 1.7 the bond is

Answer 15

Ionic

Question 16

When delta is less than 1.7 the bond is

Answer 16

Covenant

Question 17

When delta EN is zero the bond is

Answer 17

Non polar covenant

Question 18

Bond order is equal to

Answer 18

Total bonds/ bonds on central atom

Question 19

AX shape is

Answer 19

Linear

Question 20

AX2 shape

Answer 20

Linear

Question 21

AX3 shape

Answer 21

Planar triangle

Question 22

AX4 shape

Answer 22

Tetrahedron

Question 23

AX5 shape

Answer 23

Trigonal bipyramid

Question 24

AX6 shape

Answer 24

Octahedron

Question 25

Linear bond angle

Answer 25

180

Question 26

Planar triangle bond angle

Answer 26

120

Question 27

Tetrahedron bond angle

Answer 27

109.5

Question 28

Trigonal bipyramid bond angle

Answer 28

120 or 90

Question 29

Octahedron bond angle

Answer 29

90

Question 30

AX2E2 shape

Answer 30

Bent

Question 31

AX3E2 shape

Answer 31

T-shape

Question 32

AX5E shape

Answer 32

Square pyramid

Question 33

AX4E2 shape

Answer 33

Square planar

Question 34

A molecule that is symmetrical

Answer 34

Nonpolar

Question 35

A non symmetrical molecule is polar only if

Answer 35

The bonds are polar

Question 36

A central atom with nonbonding pairs is often

Answer 36

Non symmetrical and polar

Question 37

The Valence bond theory considers covalent bonds to be

Answer 37

Overlapping of 2 atomic orbitals when the e- spins are paired

Question 38

Every covalent bond has one and only one ____ bond

Answer 38

Sigma

Question 39

If a compound has a double or triple bond _______ bonds are formed

Answer 39

Pi

Question 40

Sp^3 contains ______ valence e-

Answer 40

4