Matter
Identify as either chemical or physical
Melting point
Density
Flammability
physical
physical
chemical
what are the regions of the atom and what can we find?
nucleus - p + n
orbit - electrons
the table is organized by
increasing atomic number aka protons
what is the difference between ionic and covalent molecules
.... you go this
list 3 ways to speed up the rate of a chemical reactions
a.increase surface area
b.stirring
c. increase temperature
d.increase concentration
e. add a catalyst
Id as either chemical or physical
Filtering
boiling
physical
physical
what information does the mass number of an element give us?
protons plus neutrons
where can we find all metals on the periodic table?
a-left
b- staircase
c- upper right
a
name LiF
Lithium Fluoride
what is the pH range for acid and bases
What i the volume and shape for the states of matter? list at least two
State of Matter
Volume (definite or indefinite)
Shape (definite or indefinite)
1.Solid
Definite
Definite
2.Liquid
Definite
Indefinite
3.Gas
Indefinite
Indefinite
4.Plasma
Indefinite
Indefinite
An element with 12 protons and 12 neutrons is____? with an atomic number of ___?
Mg - 24amu
How many valence electrons does oxygen has?
6
name NBr3
Nitrogen tribromide
what are the products of a neutralization reactions
water and salt
List all phase changes and the conversion
melting
Solid à liquid
vaporization
liquid à gas
condensation
gas à liquid
freezing
liquid à solid
an atom with 29 protons and 35 neutrons is? with an atomic mass of?
Cu - 64amu
what is the name for group 1 and 2
alkaline metals
a e metals
formula for dinitrogen tetroxide
N2O4
list all 5 types of chemical reactions
...
List 3 gas laws and all variable involved
Charles
boyles
G-Lussac
tell me...
name the groups 17 and 18
halogen and noble gases
Name Mg3N2
Magnesium Nitride
balance _N2 + ___O2 (arrow) __N2O
2,1,2