atoms
elements
Molecules
Compound
Periodic table
100
The smallest unit of an element that has the properties of that element
What is an atom
100
A substance made of only one kind of atom
What is an element
100
The smallest particle of the compound water is a water molecule
What is water molecule
100
Elements are rarely found in their pure forms in nature. Most are found in compounds.
Why are there compounds
100
Elements that are building blocks of matter.
What is the periodic table
200
A combination of two or more different substance
What is a mixture
200
A substance made of two or more different elements
What is an compound
200
A compound is a substance made of atoms from two or more elements that been combined chemically.
What is the formula of a compound
200
Horseshoes are made of iron
What made a Horseshoes
300
An atom is the smallest unit of an element that still has properties of that element.
What is the smallest unit that still has properties
300
It is a compound of sodium and chlorine
What is the mineral halite
300
A molecule is the smallest unit of a compound that can exist in nature
What is a molecule
300
A compound is a substance made of atoms from two or more elements that have been combined chemically.
What is compound
300
repeating in a pattern
What is the meaning of periodic
400
A table that shows the elements arranged by their atomic numbers
What is a periodic table
400
It is a metal substances
What is sodium
400
Two atoms of the same element bond to form a molecule
How was molecule formed
400
Hydrogen and Oxygen are elements
What is hydrogen and oxygen
400
Scientist use the patterns in the periodic table to predict what the elements will be like.
What would elements be like
500
A trait such as color, shape, or hardness that describe a substance by itself.
What is physical property
500
It is a type of gas
What is Chlorine
500
the numbers after the element's symbol tell how many atoms are in single molecule
What is a single molecule
500
If hydrogen and oxygen are mixed together, nothing happens.
What happens when hydrogen and oxygen mix together
500
The periodic table tells us a lot about each elements.
What does the periodic table mean
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