Periodic Table
what is oxygen's chemical symbol?
what is O?
when a solid changes into a liquid it is called a what?
what is melting?
when a gas reaches its condensation point it is called a what?
what is liquid?
what is the abbreviation for gold?
what is au?
when solids reach their melting point they become what?
what is liquids?
the atomic number of an atom is the number of ____ in the atom's nucleus
what is protons?
when a gas changes into a liquid it is called what?
what is condensation?
what scientist is usually credited with inventing the periodic table?
what is dmitri mendeleyev?
what is it called when a solid changes directly into a gas?
what is sublimniation