The "happiest" family on the periodic table, because they are so stable.
What are the NOBLE GASES (family/group 18)
100
(definition) When atoms combine to form compounds to reach 8 electrons in their outer energy level (valence)
THE OCTET RULE
100
The force that holds atoms together in a compound.
What are CHEMICAL BONDS
100
A flat tire.
What is a Physcial Change (PC)
100
The building blocks of all matter. The smallest part of an element.
What are ATOMS
200
Another name for Family 2 on the periodic table.
What is ALKALI- EARTH METALS
200
(definition) The positive or negative number that indicates how many electrons an atom has gained, lost, or shared to become stable.
What is OXIDATION NUMBER.
200
Atoms that share electrons (e-)
What are COVALENT BONDS
200
A smoked cigarette.
What is Chemical Change (CC).
200
Atomic number 6
What is CARBON (C)
300
Family 2, Period 3
What is Magnesium (Mg)
300
The three types of Covalent Bonds.
What is SINGLE Covalent BOND, DOUBLE Covalent BOND, TRIPLE Covalent BOND.
300
Bonds between Metals and Non-metals.
What is an IONIC BOND
300
Leaves in the fall.
What is Chemical Change. Color change.
300
The number above the atomic name
What is the ATOMIC NUMBER
400
This element does not match the properties of any other group so it stands alone.
What is Hydrogen (H)
400
The number of OXYGEN in 4 molecules of CARBON DIOXIDE.
What is 8. (4 CO2)
400
H2O (water) has this type of bonding.
What is COVALENT BONDS. (bonds between two non-mentals)
400
The Statue of Liberty's metal.
What is Chemical Change (CC). It is made out of copper that has turned green.
400
Elements in the Halogen family have this many valence electrons.
What is 7
500
An atom with the same number of protons and electrons.
What is a NEUTRAL ATOM
500
The oxidition number of NITROGEN (N)
What is -3.
(It has 5 valence electrons so it wants to gain 3 more. It's electrons (e-) are now greater than the number of protons (p+) so it has a negative number.)
500
The family that likes to bond with the Alkaline Metals.
What are the HALOGENS
500
Digestion of food
What is a Physical Change (chewing) and a Chemical Change (bonds broken by amylase and pepsin)