Atoms Periodic Table Chemical Formulas Chemical Reactions Gas laws
100
Which scientist found evidence for the existence of neutrons?
James Chadwick
100
What is 'Au' on the Periodic Table?
What is Gold
100
What is the chemical formula for ammonia?
What is NH3
100
What happens when copper rod is dipped in iron sulfate solution?
What is no reaction
or
what is none
100
What is Boyle's Law?
What is P1 V1 = P2 V2
200
An atom has 13 protons and 14 neutrons. What is its mass number?
27
200
What is the atomic mass of Oxygen?
What is 15.9994
200
One of the following processes does not involve a chemical reaction. That is:
1. Melting of candle wax when heated
2. Burning of candle wax when heated
3. Digestion of food in our stomach
4. Ripening of a banana
What is melting of candle wax when heated
or
What is number one
200
A balanced chemical equation is in accordance with?
What is Law of Conservation of Mass
200
What gas law is V1/T1=V2/T2?
What is Charles's Law
300
What is the relative mass and charge of a neutron?
Mass = 1 and charge = 0
300
What is 'Eu' on the Periodic Table?
What is Europium
300
The formula that shows the number and kind of atoms which a substance of a molecule contained, is known as?
What is chemical formula
300
White silver chloride in sunlight turns to?
What is Grey
300
What is Gay-Lussac's Law?
What is P1/T1=P2/T2
400
What is the best definition of the relative atomic mass of an element?
The average mass of its atoms compared to one-twelfth of the mass of a carbon-12 atom
400
What row is the noble gases in?
What is the last row
or
What is the 18th row
400
What is the smallest particle of water?
What is a molecule
400
A substance which oxidized itself and reduces other is known as?
What is Reducing Agent
400
What is the Combined Gas Law?
What is P1 V1/ T1= P2 V2/ T2
500
What is the plum pudding model of the atom?
An atom is a ball of positive charge with negative electrons embedded in it
500
What is the atomic mass of Erbium?
What is 167.26
500
Rusting of an iron involves a chemical reaction which is a combination of?
What is oxidation and combination reactions
500
The process of reduction involves?
Addition of Hydrogen
500
What is -10*C to Kelvin?
What is 263.15 K






Chemistry Chaos

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