The Periodic Table
The 3 groups classified in the periodic table
What are metal, nonmetals, and metalloids?
The squares on the periodic table
What is a element?
The smallest thing that can't be cut
What is a atom?
When a substance changes from its ordinary to a new one
What is a chemical reaction?
The atomic number that goes up by one of something
Why does it go up by the proton?
The columns of the periodic table
What is a Group?
The 4 things in a element
What are chemical name, chemical symbol, atomic mass, and atomic number?
The first element seen
Who was Democritus?
The thing that tells you about the atom of the chemical symbol of the atoms numbers
What is a subscript?
The middle of the metals of the periodic table
What are transition metals?
The row of the periodic table
What is a Period?
The thing on the top of the square and the bottom
Where are atomic mass and atomic number located and why?
The atom of a certain element
Why are each element of a atom identical?
The thing that states say it can't be formed or be destroyed
What is the law of conservation of mass?
The charge that a balloon take when rubbing of a cloth
The 2 rows that make the periodic table narrower
What are actinides and lanthanides?
The most valuable thing in the periodic table
What is gold?
The negative and positive charge of a atom in a nucleus?
What are protons and neutrons?
The 2 reactions that can release or absorb energy
What are endothermic and exothermic reactions?
The two groups of the end 1 and 18 the actual groups called
What are alkali metals and noble gases?
The first periodic table made
Who was Dmitri Mendeleev?
The card elements arranged by mass by Mendeleev
What were the first 60 elements on the card?
The things that are in the outside of the nucleus
What is a electron cloud that is surrounded by electrons?
The thing that increases rate of reactions, help our body to keep going, and could be found some places
What are enzymes?
The relative mass of a electron
Why does the relative mass has to be 14/1000