Atoms | Periodic Table | Chemical Formulas | Chemical Reactions | Gas laws |
---|---|---|---|---|
Which scientist found evidence for the existence of neutrons?
James Chadwick
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What is 'Au' on the Periodic Table?
What is Gold
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What is the chemical formula for ammonia?
What is NH3
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What happens when copper rod is dipped in iron sulfate solution?
What is no reaction
or what is none |
What is Boyle's Law?
What is P1 V1 = P2 V2
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An atom has 13 protons and 14 neutrons. What is its mass number?
27
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What is the atomic mass of Oxygen?
What is 15.9994
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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 |
A balanced chemical equation is in accordance with?
What is Law of Conservation of Mass
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What gas law is V1/T1=V2/T2?
What is Charles's Law
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What is the relative mass and charge of a neutron?
Mass = 1 and charge = 0
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What is 'Eu' on the Periodic Table?
What is Europium
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The formula that shows the number and kind of atoms which a substance of a molecule contained, is known as?
What is chemical formula
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White silver chloride in sunlight turns to?
What is Grey
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What is Gay-Lussac's Law?
What is P1/T1=P2/T2
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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
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What row is the noble gases in?
What is the last row
or What is the 18th row |
What is the smallest particle of water?
What is a molecule
|
A substance which oxidized itself and reduces other is known as?
What is Reducing Agent
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What is the Combined Gas Law?
What is P1 V1/ T1= P2 V2/ T2
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What is the plum pudding model of the atom?
An atom is a ball of positive charge with negative electrons embedded in it
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What is the atomic mass of Erbium?
What is 167.26
|
Rusting of an iron involves a chemical reaction which is a combination of?
What is oxidation and combination reactions
|
The process of reduction involves?
Addition of Hydrogen
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What is -10*C to Kelvin?
What is 263.15 K
|