Matter
Atoms and Ions
Molecular Compounds
Periodic Table
Chemical Reactions
100
This is matter that is made of only one kind of material.
What is a pure substance?
100
This is formed when an atom (or group of atoms) gains or loses at least one electron.
What is an ion?
100
This type of compound is a pure substance formed from atoms of two or more non-metals.
What is a molecular compound?
100
This is another name for the columns in a periodic table.
What is a group or family?
100
This is the meaning of a symbol has a skull and bones on it.
What is poisonous?
200
This is a pure substance made of two or more elements in a particular ratio.
What is a compound?
200
Every element in the first group (column) of the periodic table will have this ionic charge.
What is 1+?
200
Instead of giving their electrons to each other, molecular compounds do this to fill their outer orbitals.
What is "share" electrons?
200
As you go from left to right in the periodic table, the atomic mass does this.
What is increase?
200
This is a substance present when a chemical reaction starts (ie. the stuff used to make the reaction).
What is a reactant?
300
On the periodic table, this number tells you how many protons an atom of the element has.
What is the atomic number?
300
This type of compound is always formed when a positively charged ion (a metal) joins with a negatively charged ion (a non-metal).
What is an ionic compound?
300
A molecular compound with 2 atoms will use this prefix.
What is "di-"?
300
Most of the elements on the periodic table are this.
What are metals?
300
This is a type of chemical reaction in which two or more simple substances combine to produce a more complex substance.
What is a synthesis reaction?
400
This is a characteristic of a substance that can be observed without a new substance being produced. (Example: colour, state)
What is a physical property?
400
When a non-metal becomes an ion, we add this to the end of the element's name.
What is "ide"?
400
This is the name for CCl4
What is carbon tetrachloride?
400
These elements have some qualities like metals and some like non-metals.
What are metalloids?
400
This reaction displaces one element in a compound producing a new compound and a new element.
What is a single displacement reaction?
500
Bubbles of gas forming is evidence that this type of change is happening.
What is a chemical change?
500
This is a group of atoms with a shared charge.
What is a polyatomic ion?
500
This molecular compound is made from two hydrogen atoms for every one oxygen atom.
What is water? (H20)
500
This can be found by subtracting the number of protons from the atomic mass number.
What is the number of neutrons?
500
This is a chemical reaction in which a fuel burns and releases energy.
What is a combustion reaction?
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