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Periodic Table
Electron Dot Diagrams
Ionic Bonds
Covalent Bonds
Chemical Formulas
100

The number of valence electrons for group 1 elements

What is 1 valence electron.

100
The number of dots around Sodium?
What is one?
100
Sodium loses an electron
What is Na+?
100

A covalent bond is between  __________________  elements

nonmetal

100

A chemical formula is

the combination of chemical symbols and numbers to show the types and amount of elements in a cmpd

200

The group that has two valence electrons?

What is group 2?

200

The electron dot structure for Strontium?

Sr with two dots

200

The base units of ionic compounds.

Charged ions.

200

The base units of molecular compounds.

Neutral molecules
200
The chemical formula for 2 atoms of carbon and 4 atoms of hydrogen
What is C2H4?
300
The group that has a full outer shell
What are the noble gases?
300

The electron dot for Aluminum 

Al  (3 dots)

300

An ionic bond result from the attraction between ________   and  _______ 

Metal cations and nonmetal anions

300

Electron behavior in covalent compounds.

Electrons are shared equally or unequally

300
the number of atoms of hydrogen in hydrogen gas
What is 2?
400

the number of electrons in bromine's outer shell (number of valence electrons for Bromine...)

What is 7?

400

The electron dot structures for

Helium   and  Neon

He  (2 dots)

Ne  (8 dots)

400

The electron behavior in ionic bonding

transfer of electrons

400
The difference between polar and nonpolar covalent bonding

Polar - uneven sharing of electrons

Nonpolar - even  sharing of electrons

400

The type of formula for an ionic compound.

Ionic formula
500

Identify the number of valence electrons and charge for group 14 elements

4 valence electrons

+ or - 4 charge

500

Electron dot structures and bonding in two different compounds:

1. NaCl  (ionic)    2.H2O  (molecular)

Na arrow Cl

H-O-H

500

Three properties of ionic compounds

1. Brittle

2. Strong

3. High MP and BP

4. Charged parts

5. Solution is conductive

500

The 7 Diatomics

H2 N2 O2 F2 Cl2 Br2 I2

500

Identify the type of formula and one property for a molecular compound.

molecular formula

strong, neutral, lower MP & BP