17 Questions
What was the element created by Emilio Serge and Carlo Perrier in 1937?
Technetium
What is the definition of activation energy?
The minimum amount of energy needed for colliding particles to react
What is the definition of boiling?
When the vapour pressure of a liquid becomes equal to the atmospheric pressure
What is the definition of capillary action?
The ability of water molecules to move against gravity
What is the definition of an enzyme?
The catalyst in the human body
What is the definition of glycogen?
The excessive consumption of carbohydrates which is converted into polysaccharide that is stored in the liver and in the muscles
What is the measure of how fast or slow a chemical reaction happens?
Rate of reaction
What is the substance formed as a result of a chemical reaction called?
Product
When particles in a substance collide and have enough energy, what can occur?
A chemical reaction
How can the rate of a chemical reaction be slowed down?
Using iced water
When do tetrahedral molecules occur?
When there are four and no lone pairs in the molecule’s central atom
What is the range of electronegativity difference for a polar covalent bond?
0.5 to 1.6
Which of the following is NOT a type of lipid?
Carbohydrate
Which of the following is NOT an example of an intermolecular force?
Chemical reaction
What is the effect of a change in particle size on the rate of a chemical reaction?
It has no effect on the rate
In the main sequence star, what is produced from the fusion of Hydrogen to Helium?
Carbon
What is the primary function of myoglobin in muscles?
To store oxygen
Test your knowledge on various chemistry concepts including Technetium creation, activation energy, temperature, boiling, and more.
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