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Flashcards in Chapter 8 Deck (59):
1

O2 2-

Peroxide

2

What is electronegativity?

The ability of an atom in a chemical bond to attract electron.

3

What is the formula for peroxide?

O2 2-

4

What is the formula for hypochlorite?

CIO-

5

SO3 2-

Sulfite

6

What is the bond, hybrid orbital, and bond angle for three shared pairs and no lone pair?

Trigonal planar, sp2, 120.

7

What is the bond, hybrid orbital, and bond angle for six shared pairs and no lone pair?

Octahedral, sp3d2, 90.

8

What is the bond, hybrid orbital, and bond angle for two shared pairs and no lone pair?

Linear, sp, 180.

9

How to name an acid?

Use the prefix hydro- to name the hydrogen part. Then use the second element plus the suffix -ic as the second part of the first word. The second word is always acid.

10

CIO3-

Chlorate

11

What is the intermolecular force between nonpolar molecules?

Dispersion force or induced dipole.

12

What is the formulate for bromate?

BrO3-

13

What is used to represent a partial negative charge in a polar molecule?

Delta.

14

What is the formula for nitrite?

N02-

15

OH-

Hydroxide

16

PO4 3-

Phosphate

17

What is the formula for nitrate?

NO3-

18

When is a bond polar covalent?

If the electronegativity difference is between 0.4 and 1.7

19

What is the formula for phosphate?

PO4 3-

20

NH4+

Ammonium

21

What is the formula for sulfate?

SO4 2-

22

CIO2-

Chlorite

23

What are resonance structures?

It occurs when more than one valid Lewis structure can be written for a molecule or ion. These structures only differ in the position of the electron pairs, never the atom positions. These bonds are in between single bonds and double bonds.

24

What is an endothermic reaction?

It occurs when a greater amount of energy is required to break the existing bond in the reactant than is released when the new bonds form in the products.

25

What is the formula for chlorite?

CIO2-

26

What is are the intermolecular forces called?

van der Waals forces.

27

CIO-

Hypochlorite

28

CIO4-

Perchlorate

29

SO4 2-

Sulfate

30

How to name an oxyacid?

Identify the name of the oxyanion. Use the suffix -ic for -ate and -ous for -ite. The second word is always acid.

31

What is the bond, hybrid orbital, and bond angle for four shared pairs and no lone pair?

Tetrahedral, sp3, 109.5.

32

What is a covalent bond?

A chemical bond that results from sharing valance electrons.

33

What is bond-dissociation energy?

The energy required to break a bond.

34

What is the formula for carbonate?

CO3 2-

35

What is the formula for hydroxide?

OH-

36

What is the bond, hybrid orbital, and bond angle for five shared pairs and no lone pair?

Trigonal bipyramidal, sp3d, 90 and 120.

37

What is a pi bond?

The shared electron pair of a pi bond occupies the space above and below the line that represents where the two atoms are joined together.

38

What is the intermolecular force between polar molecules?

Dipole-dipole force.

39

What is hybridization?

A process in which atomic orbitals mix and form new, identical hybrid orbitals.

40

What is an incomplete octet?

When there is an odd number of electrons, there might not be enough electrons to form an octet around each atom.

41

What is hydrogen bond?

A stronger intermolecular foce between hydrogen and fluorine, oxygen, or nitrogen.

42

What is the bond, hybrid orbital, and bond angle for three shared pairs and one lone pair?

Trigonal pyramidal, sp3, 107.3.

43

What is a coordinate covalent bond?

When an atom shares only six electrons, it will form a coordinate covalent bond in which the other atom shares an entire pair of electron with it.

44

What is the formula for perchlorate?

CIO4-

45

What is an expanded octet?

It has a central atom with more than eight valence electrons. It occurs because of the d orbitals.

46

BrO3-

Bromate

47

What is a molecule?

It is formed when two or more atoms bond covalently.

48

What is the formula for sulfite?

SO3 2-

49

N02-

Nitrite

50

CO3 2-

Carbonate

51

When is a bond covalent?

If the electronegativity difference is less than 0.4.

52

What is the bond, hybrid orbital, and bond angle for two shared pairs and two lone pair?

Bent, sp3, 104.5

53

When is a bond mostly ionic?

If the electronegativity difference is greater 1.7.

54

What is a sigma bond?

It occurs when the pair of shared electrons is in an area centered between the two atoms.

55

NO3-

Nitrate

56

What is an exothermic reaction?

It occurs when more energy is released during the product bond formation than is required to break bonds in the reactants.

57

What is the formula for chlorate?

CIO3-

58

What is the formula for ammonium?

NH4+

59

What is the model of molecular shape?

VSEPR (Valance Shell Electron Pair Repulsion) model.