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
Crystalline structure.
A regular repeating arrangement of ions in the solid.
Ions are strongly bonded.
Structure is rigid.
High melting points- because of strong forces between ions.
What are properties of ionic bonds?
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
Two single bonds connecting two atoms.
What is a double bond?
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
One atom gives both electrons to form a bond. The electrons are being shared.
What is coordinate covalent?
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
A bond that is partially negative and partially positive.
What is a polar bond?
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