What is the chemical symbol for the element Lithium?
What is Li?
Air
What is a mixture?
Iron
What is Fe
The subatomic particles that make up an atom
What are proton, neutron, and electron?
Earth's Crust
What is oxygen?
How many different types of atoms make up an element?
What is one?
Water
What is a compound?
Oxygen
What is O?
What subatomic particle(s) are found in the nucleus?
What are proton and neutron?
Whatis oxygen?
What kind of bond holds elements together to form compounds?
What is a chemical bond?
Salt
What is a compound?
Nitrogen
What is N?
Where electrons are found
What is electron cloud?
Living Matter
What is oxygen?
Elements are represented by what on the periodic table?
What are chemical symbols?
Cereal
What is a mixture?
Water
What is H2O?
Positive subatomic particle
What is proton?
Atmosphere
What is nitrogen?
How many total elements are represented in this compound? H2O2?
What is 2?
What is the difference between a compound and a mixture?
A mixture can be seperated easily and a compound cannot.
Salt
What is NaCl?
Negative subatomic particle
What is electron?
Why is oxygen the most abundant element in Earth's crust, Living Things, and the Ocean?
Because oxygen goes in a cycle: living things decay to Earth's Crust and the same thing happens in the oceans.