Ionic Bonds and Compounds (with Dot Structures)

Ion Formation

100

Elements in this group have 5 valence electrons

group 15 or 5A

200

Elements in this group have a charge of 2⁺

Group 2 or 2A

300

Elements in this group have 3 valence electrons

group 13 or 3A

400

These elements do not typically form ions

group 18 or 8A; or 14 or 4A

500

This group of elements forms -1 charge 

group 17 or 7A

Properties of Ionic Bonds

100

Why are the melting points of ionic compounds high?

Attractive forces between opposite ions are strong, need a lot of energy (heat) to overcome it

200

Are forces of attraction in ionic compounds strong or weak?

strong

300

Which of these options describes ionic compounds when an external force is applied: a) malleable, b) ductile, c) brittle

Brittle

400

Ionic Compounds can conduct electricity during which two incidents?

Dissolved in Water (aqueous) and Molten

500

Ionic Compounds form a ______________ which is a repeating pattern

crystal lattice

Combine These Elements

100

K, I

KI

200

Ca, S

CaS

300

Na, S

Na2S

400

Ca, Cl

CaCl2

500

Al, O

Al2O3

Combine These Elements 2

100

Sr, Cl

SrCl₂

200

K, O

K₂O

300

Be, S

BeS

400

Al, N

AlN

500

K, P

K₃P

What Kind of Ion

100

Mg

Mg²⁺

200

P

P^3-

300

Li

Li⁺

400

Br

Br^-

500

Al

Al³⁺

What Kind of Ion 2

100

Rb

Rb⁺

200

Sr

Sr²⁺

300

F

F^-

400

Se

Se^2-

500

S

S^2-

Dot Structures

100

Dot Structure for Potassium

One dot

200

Dot Structure for Calcium

2 dots

300

Dot Structure for Oxygen

6 dots

400

Dot Structure for Chlorine

7 dots

500

Dot Structure for Beryllium

2 dots

Metal Facts

100

The structure of an Ionic Compound is called a 

Crystal Lattice

200

Describe the way metals are bonded

Ions with a "sea" of electrons

300

A mixture of two or more metals

Alloy

400

Why might alloys be used for materials over a pure metal?

More durable/ corrosion resistant

500

Ionic Compounds are the attraction from a __________ and _____________.

Cation and Anion