Periodic Table
Electron Dot Diagrams
Ionic Bonds
Covalent Bonds
Chemical Formulas

100

The number of electrons in the lowest energy level
What is 2 electrons?

100

The number of dots around Sodium?
What is one?

100

Sodium loses an electron
What is Na+?

100

When an electron is attracted to the nuclei of two atoms at the same time
What is a covalent bond?

100

the combination of chemical symbols and possibly numbers
What is the chemical formula?

200

The group that has two valence electrons?
What is group 2?

200

The number of dots around Stontium?
What is 2?

200

Chlorine gains an electron
What is Cl-?

200

the overall charge of a particle that is covalently bonded
What is neutral?

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 number of dots around silicon
What is 4?

300

The attraction between a positive ion and a negative ion
What is an ionic bond?

300

The particle formed when atoms share electrons
What is a molecule?

300

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

400

the number of electrons in bromine's outer shell
What is 7?

400

the number of dots around helium
What is 2?

400

A pure substance containing two or more elements
What is a compound?

400

When a atom shares two electrons with another atom
What is a double bond?

400

The number of atoms of hydrogen in ammonia
What is 3?

500

The rule for predicting the number of electrons in the 5th energy level
What is 2 times n squared?

500

The dot diagram for tin
What is Sn with 4 dots?

500

A hard, crystalline compound composed of positive metal ions and negative non-metal ions
What is an ionic salt?

500

The type of bond between 2 nitrogen atoms
What is a triple bond?

500

the total number of atoms in a molecule of carbon dioxide
What is 3?