Atoms
This is a small particle that makes up everything
What is an atom
Made up of only one kind of atom
What is an element
state that matter is neither created nor destroyed, only changed in form
What is the Law of Conservation of Matter
These are found on the left side of the periodic table
Alkaline Earth metals and Alkali metlas
Avogadro's Number
What is 6.02 x 1023
This is an uncharged particle in the nucleus of the atom.
What is a neutron
These are on the 7th column on the periodic table
What is a halogen
Anything that has mass and takes up space
What is matter
This trend increases as you go down but stays the same as you go across the periodic table
What is energy levels
Molar mass of MgK
what is 63
These are atoms of the same element that have different numbers of neutrons.
What is an isotope
These are shiny, good conductors of heat and have luster
What is a metal
If I add protons to an atom it
What is changes elements
This is the sum of the an atom's protons and neutrons
What is mass number
What do moles represent
particles and grams
What is Democritus
These elements do not react with anything else
What is a noble gas
True or False- heat is matter
What is false
This trend decreases as you go across and increases as you go down.
What is atomic radius
How many moles are in 15 grams of lithium?
what is 2.14 moles
This is the most common atom
What is hydrogen
Elements that have characteristics of metals and non metals
What is a metalloid
True-or False- Light is matter
What is False
The number of each row in the periodic table show this one thing.
What is energy level
How many particles are in 98.3 grams of Al(OH)3?
What is 7.58 e 23 particles