What is the definition of the Particle Theory of Matter?
What is all matter is made up of tiny particles.
100
What does the periodic table help us do?
What is the elements help us explain and predict any chemical or physical properties.
100
What certain atoms gain and lose electrons?
What is metals lose electrons and non metals gain electrons.
100
What are the types of compounds?
What is ionic, molecular and polyatomic.
100
True or false, basic solutions are less than 7 on the Ph scale?
What is false
200
What is an example of a mixture and why?
What is Air because it's a mixture of oxygen, nitrogen, carbon dioxide and other compounds.
200
This is the second column from the right, what do they do?
What is Halogens. They are elements that are poisonous and react with metals.
200
What is the ending of a non metal ion?
What is "ide."
200
What are the names of the molecular compound prefixes?
What is mono, di, tri, tetra, penta, hexa, hepta and octa
200
What is the Ph scale?
What is scale that is used to classify solutions as either acids, basic or neutral.
300
Explain what is happening when wood is burning and what change is occurring.
What is considered a chemical change this is because the wood is being burned into a new substance (ashes) and can't be changed back.
300
What 2 models of atoms are used?
What is Bohr-Rutherford model and Lewis Dot Structure.
300
What are the 5 polyatomic ions?
What is nitrate, hydroxide, sulphate, carbonate and phosphate.
300
In a molecular compound, explain how to create an equation.
What is it involves a chart with prefixes and depending on the element and the number, it will be matched with a prefix to be put together for the final equation.
300
Name coloured litmus paper that changes when in an acidic solution.
What is Blue litmus paper turns red in acidic solution and red litmus paper turns blue in acidic solution.
400
Why do some fruits turn brown when you are eating them and what property is it considered?
What is brown spots appear because the fruit is exposed to oxygen in the air, this is a chemical property; reactivity with oxygen.
400
What is the importance of atomic number and atomic mass within elements?
What is they provide information about the number of protons and neutrons and can be added together or taken away when comparing other elements.
400
What forms when calcium combines with carbonate ion?
What is (final answer) Ca2 (Co3)2
400
What is a covalent and how is it formed?
What is 2 non metals that get formed when electrons are shared between 2 atoms.
400
What are 3 ways to determine the Ph of a solution?
What is -Ph meter
- Litmus paper
- Universal indicator and Ph paper