Atom
Atom
Something inside everything
Matter
Elements
Substances which can't be broken down into anything simpler
Oxygen 47%, Silicon 28%, Aluminum 8%, Iron 5%, Calcium 3%, Others 9%
The Earth's Crust
What can you find on the Periodic Table?
All the elements that have been discovered
What does H2o stand for
Water
Nucleus
Some thing inside a atom made out of two things.
What does an element's atomic number represent?
The number of protons in an element.
Nitrogen 78%, Oxygen 21%, Others 1%
The Earths atmosphere
How many elements are there on the Periodic Table?
118
what is the symbol for Iron?
Fe
Protons
Something that inside the nucleus which has a positive charge.
What is a characteristic of metal.
It conducts heat and electricity.
Oxygen 85%, Hydrogen 10%, Chlorine 2%, Sodium 1%, Others 2%
Earths Oceans
What is a Mixture?
A physical combination of two or more substances that retain their own properties and can easily be separated.
What does NaCl stand for?
Table salt
Neutron
Something inside the nucleus that has a negative charge.
What do the colors on the Periodic Table show?
Whether is a solid, liquid, or gas at room tempature.
Oxygen 65%, Carbon 18%, Hydrogen 10%, Nitrogen 3%, Others 4%
Living things
What type of combination is a mixture?
Physical
What does Co2 stand for?
Carbondaoxide
Electron
Something that orbits or spins around the nucleus
Why isn't water on the periodic table.
It is a compound.
What is the most abundance element on earth?
Oxygen
What needs to occur in order for elements to form a compound?
A chemical reaction.
Why does everything on the periodic table have a symbol.
To help find that element quickly