Show:
Ions
Chemical Formulas and Names
Properties of Ionic/Covalent Compounds
Diagrams
Bonds and such
100

Aluminum Chloride is an ionic compound with the chemical formula AlCl3 What does the 3 tell you?

What is there are three chlorine ions for every aluminum ion

100

The ionic molecule: NaCl

Sodium Chloride

100

In what state of matter do ions conduct electricity?

What is liquid. The ions in solid crystals are tightly packed and cannot move. If the ions cannot move there is no current.

100

In a diagram for an ionic bond, arrows indicate the ____________ (transfer/sharing) of electrons.

What is transfer?

100

The rule that states atoms tend to form bonds so they have 8 valence electrons.

What is the octet rule

200

When an atom loses an electron it becomes a_______

What is positive ion or cation

200

What is the chemical name of CaF2

What is Calcium Flouride

200
The attraction of a postive and negative ion results in a___________________________
What is ionic bond
200

When electrons are _____________ between two atoms, a covalent bond is formed.

What is shared

200

This dabbling duck is the most abundant duck species in North America

What are mallard ducks

300

An ionic bond is__________

What is the attraction of oppositely charged ions (atoms bonded by electrostatic attraction, atoms bonded through the transfer of ions)

300

Name this compound NA2(CO3) HINT: Polyatomic Ion

What is Sodium Carbonate

300

The type of compound that is usually brittle with a high melting point

What is an ionic compound

300

Based on the number of valence electrons, how many covalent bonds will oxygen have?

What is 2? (8 - # valence electrons = number of bonds)

300
A chemical bond that is formed when two atoms share electrons is called
What is covalent bond
400

Ions that are made of multiple atoms that act as one unit are called _______

What are polyatomic ions

400

Copper (I) and Oxygen

Copper (I) Oxide

400

Ionic compounds have a charge that is electrically ___________ (positive, negative, neutral).

What is neutral

400

The covalent diagram for methane (CH4, Carbon is the central atom)

              H

               l

     H -     C    - H

               l

               H

400

What is a double bond?

What is two pairs of electrons that are shaired between two atoms

500

When an atom gains an electron it becomes a

What is negative ion (anion)

500

Hydroxide(OH-1) and Cyanide(CN-1) are examples of _______

What is polyatomic ions

500

The type of compound that does not conduct electricity, is malleable, and has a low melting point.

What are covalent compounds?

500

The cations and anions of silicon and oxygen

Si+3 Si+3  and O-2 O-2 O-2 (put electrons around anions)

500

The year the first rubber duck meant to float in bathwater was commercially manufactured: 1738, 1896, 1931, 1972

1931