The positive component of an atom.
Proton
The three states of matter.
Solid, liquid, gas.
The essential element for life on earth.
The element carbon.
The first element on the periodic table of elements.
Hydrogen.
Atoms are made of matter true, false.
False
The negative component of an atom
Electron
What state of matter is air.
Gas
The element that we breath and is one of the elements in what we drink.
Oxygen.
The way the periodic table organizes elements.
By atomic number left to right.
Matter are made of atoms true, false.
True
The component of an atom that has no charge.
Neutron
What state of matter is slime.
Between a solid and liquid.
The two main categories that elements fall into.
Metallic and non metallic.
A metal conducts heat and electricity and a non metal does not.
The amount of elements on the periodic table.
118.
The main two elements that make up earths air.
Nitrogen, oxygen.
78%^ 21%^
The definition of an atom.
The basic building blocks of all things.
The two changes matter goes through.
Physical and chemical.
Physical change-when matter changes states sizes or temperature.
Chemical change-when matter creates a new substance.
Both-A transfer energy.
One of the first elements formed and is one of the elements in the sun.
*Fuels the sun.
Hydrogen
The date when Dmitri Mendeleev made the periodic table of elements.
1869.
The earth is made of.
Nitrogen, oxygen, silicon, magnesium, iron, nickel, sulfur.
The definition of molecule.
Two or more atoms bound together chemically.
The definition of matter.
Any thing that takes up space.
The definition of elements.
A substance with all the same atoms.
The definition of periodic table.
The chart that organizes and shows all the known elements.
A simple answer of how earth was made.
Gravity pulled elements or mater/atoms together.