Oxygen (O2) can be classified as these two types of matter.
What is element and molecule?
100
These are the positive particles located in an atom
What is the proton?
100
The periodic table is organized by this.
What is atomic number?
200
Volume is an example of this.
What is extensive?
200
True or false, all molecules are compound.
What is false?
200
This is how we know the atom is mostly empty space (be specific)
What is particles were fired through a gold sheet of foil?
200
This is a valence electron
What is electron in outermost energy level?
300
Putting on make-up is an example of this.
What is extensive property?
300
This is the difference between a compound and a molecule.
What is compound has to be two different elements. Molecules can be the same or different
300
The atomic mass is 10 and there are 6 neutrons, this is the atomic number
What is 4?
300
Sodium has an atomic number of 11. Make a drawing of the electron energy levels of this atom
What is see Mr. U's drawing
400
Boiling Point is an example of this.
What is an intensive property?
400
A compound is like going to the movies for this reason.
What is it has to involve more than one type of element, just like how at the movies there are always different people.
400
This atom has a plus 1 charge and an atomic number of 7. It has this many electrons.
What is 6?
400
This atom has 3 valence electrons and has 3 electron energy levels. What atom is it?
What is aluminum?
500
The Law of Multiple Proportions is an example of this.
What is an intensive property?
500
A molecule has more than one atom. Is the property of the particle being a molecule an intensive or extensive property?
What is intensive?
500
This is how we know the electrons have a negative charge
What is the cathode ray tube experiment?
500
I have two atoms both with the same charge (-1). Atom 1 has an atomic mass of 10 and atom 2 has an atomic mass of 9. True or false, they might be the same element