Physical
What are some examples of physical properties?
changes in color, oder, volume, and/or mass
What are some chemical changes?
bubbles, cloudy, temperature changes, color changes, smell and/or taste
What are the four states of matter
1. solid
2. liquid
3. gas
4. plasma
What is the definition of reactants?
-substance that are present before the reaction occurs
Elements are organized on the table according to their what?
atomic number
What is the definition of physical property?
-any property of matter that can be observe without changing the matter's identity
What is the definition of chemical property?
-ability to change into a new matter
What is plasma?
an ionized gas
What is the definition of product?
-substance present after the reaction takes place
What are the three main categories that the elements can be divided into?
metals, non-metals, metalloides
Solvent + Solute = ?
Solution
example of flammability
-rubbing alcohol+matches can burn easily
What are the three characteristics of a gas?
very far apart, move freely, indefinite shape and volume
What is the number in front of the element called?
?KOH
a coefficient
Name the first 10 elements on the Periodic Table?
hydrogen, helium, lithium, beryllium, boron, carbon, nitrogen, oxygen, fluorine, neon
What is thermal conductivity?
The rate at which a substance transfers heat.
example of reactivity
-irons+other metals can react with oxygen to form rust
What are the three characteristics of plasma?
an ionized gas, very good conductor of electricity and is affected by magnetic field, indefinite shape and volume
What is the small number next to the element symbol?
KOH?
a subscript
What are valence electrons and what do they do?
electrons in the outer energy level of an atom, transferred or shared when atoms bond together
What is the definition of malleability and ductility?
Malleability- ability of a substance to be pounded, forged, rolled, or pressed into a sheet
Ductility- ability of a substance to be pulled into a wire
solve:
_Fe + _Cl2 -> _FeCl3
2Fe + 3Cl2 -> 2FeCl3
Name three classification of matter
particle arrangement, energy of particle, distance between particles
Mass of _______ = Mass of _______
reactants, product
Name all the 10 families on the Periodic Table in order!!!!!
1. Alkali Metals
2. Alkaline-Earth Metals
3. Transition Metals
4. Boron Family
5. Carbon Family
6. Nitrogen Family
7. Oxygen Family
8. Halogen Family
9. Noble Gases
10. Rare earth Elements