Atom
what is made of proton,neutron,electrons
a atom
Oxygen, carbon, and hydrogen are the top elements
what are the main elements of living things.
How do you know the diffrence between a compound and a element.
You can tell by a compound has 1 or more capitals in it.
What are the different types of mixtures?
there are 2 types of mixtures one you can see and one you can not see.
What is the periodic table?
The periodic table is a chart that organizes the elements.
what is a proton
what is in the nucleus of a atom?
what do the elements equal up to? 78% nitrogen,21% oxygen,1% other stuff
the elements of the earths atmosphere.
What is a element
A substance that can not be broken down to anything simpler.
Can mixtures be solutions yes or no
yes because there is a mixture called homogeneous in witch the substances are blended evenly.
How many elements are in the periodic table?
118 elements
what is a electron
what is the negative of energy in a atom?
what do the elements equal up to? 47% oxygen,28% silicon,8% aluminum,5% iron,3% calcium,9% other stuff.
the elements of the earths crust.
How is a compound made.
it is made by two or more elements have a chemical reactions.
What are mixtures?
A physical combanation of two or more substances.
Can elements be divided into solids,liquid,and gasses?
Yes they can because the whole periodic table has solids,liquids,and gasses.
what is compounds
the elements formed and had a chemical reaction and formed more atoms in it.
what to the elements equal up to? 85% oxygen,10% hydrogen,2% chlorine,1% sodium,2% other stuff.
the elements of the earths ocean.
What is it called when elements are combined to make a compound?
A chemical formula?
What is a Heterogeneous mixture.
A mixture that is visible and indavigual substances can be seen.
When you look at the periodic table what are the small numbers on all the symbol for the elements called?
They are called atomic numbers
what is a neutron?
what is the same mass as the proton but has a neutral charge
what do the elements equal up to? 65% oxygen, 18% carbon,10% hydrogen,3% nitrogen,4% other stuff.
the elements of a living organism.
What is the number between the letters in the element formation or compound formation.
It is called a subscript
What is the difrence between a compound and a mixtures.
The diffrence between a compound and a mixtures is a compound is chemically combined and a mixture is a physically combined.
What is a atomic number?
A atomic number is a Number indicating the number of protons in the nucleus of each elements atom.