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Chemistry History
Matter
The Periodic Table
Fun Chemistry
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100
The Greek Philosopher that coined the name atom for the smallest particle of matter.
Who is Democrtus?
100
A change that does not produce a new substance.
What is a Physical Change?
100
This is a chart which organizes the chemical elements.
What is The Periodic Table?
100
A combination of two or more chemically-bonded elements.
What is a Compound?
100
1.) Formed when an electron transfers from one atom to another. 2.) Formed when two atoms share one or more electrons
What are Ionic and Covalent Bonds?
200
The scientist that developed the model of the atom that looked like planets orbiting around a central nucleus.
Who was Bohr?
200
A change that produces a new substance.
What is a Chemical Change?
200
Number of protons in the Nucleus.
What is The Atomic Number?
200
A combination of two or more atoms.
What is a Molecule?
200
GET OUT YOUR PEN AND PAPER..... The names of the four common particles that are produced by radioactive atoms during nuclear decay.
What are Alpha, Beta, gamma, and neutrons.
300
This scientist used gold foil and charged particles to discover the nucleus.
Who was Rutherford?
300
This is when a gas changes to a liquid.
What is Condensing?
300
The sum of the number of Protons plus Neutrons in the Nucleus.
What is The Atomic Mass?
300
What is the chemical formula for Calcium Chloride
What is CaCl2
300
In order to determine the number of neutrons in an atom you subtract the _______________ from the ____________.
What is atomic number from the rounded atomic mass.
400
The scientist is responsible for designing the first periodic table of the elements.
Who was Mendelev?
400
The four phases of matter.
What is are solid, liquid, gas, and plasma.
400
Columns in the periodic table.
What is a Group or Family?
400
How many particles are in a mole?
What is 6.02 x 10^23
400
The neutrons, protons and electrons in a neutral oxygen atom.
neutrons) 8 protons) 8 electrons) 8
500
The current model of the atom that describes the location of the electrons in orbitals.
What is electron configuration?
500
A measure of how much mass is contained in a given unit volume.
What is Density?
500
Beryllium, Magnesium, Calcium, Strontium, Barium, Radium.
What are Alkaline Earth Metals?
500
Ions that are made up of 2 or more atoms bonded together are called this.
What is a Polyatomic ion.
500
The common name of a positive ion.
What is cation.