Atomic Structures
Scientists
Moles
Atomic Theory
Elements
100
The smallest unit of matter.
What is an atom?
100
Philosopher who coined the term "atomos" the greek term for "atom".
Who is Democritus?
100
g/mol stands for _____.
What is "grams per mole"?
100
All matter is composed of ____.
What are atoms?
100
Tin
What is Sn?
200
An atomic particle that has a negative charge.
What is an electron?
200
This scientist developed Atomic Theory.
Who is Dalton?
200
The scientist credited for the discovery of the mole.
Who is Avogadro?
200
Atoms are identical in ______, but not in size or mass.
What are properties?
200
Xe
What is xenon?
300
The particles found in the nucleus of an atom.
What are protons and neutrons?
300
Scientist credited for the discovery of the electron, he studied it using Neon gas in a tube.
Who is Thompson?
300
The combined masses of all of the atoms in a compound.
What is molecular weight (molar mass)?
300
Atoms cannot be created or destroyed, but they can be ______.
What is separated (split)?
300
Palladium
What is Pd?
400
An atom that has more or less electrons.
What is an ion?
400
A Manhattan project scientist, this man was the first person to describe the electron cloud.
Who is Bohr?
400
The measurement of different concentrations.
What is molarity?
400
The term for bonded elements that are arranged in whole number ratios.
What is a compound?
400
Cd
What is Cadmium?
500
Atoms that have more or less neutrons.
What are isotopes?
500
The first scientist to arrange elements on a Periodic Table, he used masses as a way to arrange them.
Who is Mendeleev?
500
What is Avogadro's Number?
What is 6.02 x 10^23?
500
The process of rearranging the elemental bonds.
What is a chemical reaction?
500
Antimony
What is Sb?
M
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