Chemistry Chapter 4

What are 7 Diatomic elements

What are 7 Diatomic elements

H2, N2, O2, F2, Fl2, Cl2, Br2, I2

What are compounds

Atoms held together by chemical bonds

What are the 3 types of chemical bonds

Ionic, Covalent, Metallic

Which 2 atom types form ionic bonds

Metals + Nonmetals

What is an ionic bond

a bond where electrons are transferred between atoms

Which 2 atom types form covalent bonds

Nonmetals + Nonmetals

What is a covalent bond

a bond where electrons are shared between atoms

Which 2 atom types form metallic bonds

Metals + Metals

What is a metallic bond

a bond where electrons are pooled together between atoms

Which atoms transfer the electrons in a ionic bond

Metals

What type of ion will metals become in a ionic bond

cations

What type of ion will nonmetals become in ionic bond

anions

What are properties of ionic compounds

Crystallized, high melting point, conductive in aqueous state

How is a compound represented

with its chemical formula

The chemical formula indicates-

the type and number of each element in a given compound

What is the chemical formula for water

H2O

What is the chemical formula for carbon dioxide

CO2

What is an empirical formula

Chemical formula; gives whole number ratios of the atoms of each element in a compound

What is the empirical formula for Hydrogen-Peroxide

HO

What is a molecular formula

chemical formula giving the actual number of atoms of each element in a compound

What is the molecular formula for Hydrogen-Peroxide

H2O2

What is a structural formula

A diagram showing how atoms in a compound bond together

What is the structural formula for Hydrogen Peroxide

HOOH

A molecular model is-

a more accurate showing of a compound, in 3D

What does a Lewis Structure display

The valence electrons of an element

Group 1 elements have what charge ions

+1

Group 2 elements have what charge ions

+2

What are the group 1 +1 elements

Li, Na, K, Rb, Cs,

What are the Group 2 +2 elements

Be, Mg, Ca, Sr, Ba,

What element has a ionic +3

Al

What element not a part of Group 2 has a +2 charge

Zn

What element not a part of Group 3 has an ionic +3

Sc

What are the common nonmetal anions

F, Cl, Br, I, S, N, P

What is the charge of the Group 17 elements

-1

Which anionic elements are a part of Group 17

Fluorine, Chlorine, Bromine, Iodine

What is the charge of the Group 16 elements

-2

What are the anionic elements of Group 16

Oxygen, Sulfur

What is the charge of the Group 15 elements

-3

What are the anionic elements of Group 15

Nitrogen and Phosphorous

An anion+cation=

Ionic compound

A neutral compound is formed how

with an equal number of + and - charges

How do you represent anions in compounds

adding -ide to its base name

What is the name for the ionic compound NH4+

ammonium

What is the name for the ionic compound OH-

hydroxide

What is the name for the ionic compound O2^-2

Peroxide

What is the name for the ionic compound CN-

cyanide

Hydrogen has what charge value of

+1

Lithium has what charge value of

+1

Sodium has what charge value of

+1

If you have more than one polyatomic use-

parentheses to indicate the amount

di=

2

tri=

3

tetra=

4

penta=

5

hexa=

6

hepta=

7

octa=

8

nona=

9

deca=

10

Potassium has a charge value of-

+1

Rubidium has a charge value of-

+1

Cesium has a charge value of-

+1

Francium has a charge value of-

+1

When naming a ionic compound, which element is named first?

Metal

Cations or anions will be written first in ionic compounds?

Cation

Beryllium has a charge value of-

+2

Magnesium has a charge value of-

+2

Calcium has a charge value of-

+2

Strontium has a charge value of-

+2

Barium has a charge value of-

+2

Radium has a charge value of-

+2

Zinc has a charge value of-

+2

Cadmium has a charge value of-

+2

Gallium has a charge value of-

+3

(N)ick the (B)aby (C)amel ate an (I)nch (Cl)am and (Cr)epes for S()upper in (P)hoenix.

The capital letters represent what:

The base element name

(N)ick the (B)aby (C)amel ate an (I)nch (Cl)am and (Cr)epes for S()upper in (P)hoenix.

The number of constants represents what:

The number of oxygens

(N)ick the (B)aby (C)amel ate an (I)nch (Cl)am and (Cr)epes for S()upper in (P)hoenix.

The number of vowels represents what:

The charge value

(N)ick the (B)aby (C)amel ate an (I)nch (Cl)am and (Cr)epes for S()upper in (P)hoenix.

The difference between an -ate and -ite:

-ite will have one less oxygen than its -ate with the same charge

hypo means:

1 lower

hy(PER) means:

1 higher

Aluminum has a charge value of-

+3

Fluorine has a charge value of-

1-

Chlorine has a charge value of-

1-

Bromine has a charge value of-

1-

Iodine has charge value of-

1-

Oxygen has charge value of-

2-

Sulfur has charge value of-

2-

Selenium has charge value of-

2-

Nitrogen has a charge value of-

3-

Phosphorous has charge value of-

3-

If a metal does not have a predictable charge-

use the anion value to find the charge

Which elements have a 0 charge value

Noble Gases

Roman numerals indicate-

the charge value of the cation

Ammonium=

NH^4+

Hydroxide=

OH^-

Peroxide=

O2^2-

Cyanide=

CN^-

Mercury(I)

Hg2^2+

Binary molecular compounds consist of-

nonmetals or metalloids