Atoms
No charge. Found in the nucleus.
What is neutron?
Discovered the nucleus. Atom is mostly empty space.
Who is Rutherford?
A substance made of only one kind of atom.
Does not react easily. Full outer shell.
What is noble gas?
Carbon symbol in the periodic table
What is C?
Center of the atom. Contains protons and neutrons
What is nucleus?
Discovered electrons. Atoms are not solid.
Who is J.J. Thompson?
Number of protons in an atom.
Does not carry heat or electricity.
What is insulator?
Properties of Silicon/Si
What is metalloids/semi-metals?
Positive (+) particle found in the nucleus.
What is proton?
Said electrons move in energy levels.
Who is Bohr?
A row across the periodic table.
What is period?
Has properties of metals and nonmetals.
What is metalloid (semi-metal)?
Atomic number 29 in the periodic table
What is Copper/CU?
The smallest piece of matter. Everything is made of _____.
What is atom(s)?
Said atoms are small, hard particles.
Who is Democritus?
Rearranged the periodic table by atomic number.
Who is Henry Moseley?
Can be bent or flattened.
What is malleable?
Element with atomic mass 7
What is Lithium/Li?
The path where electrons move around the nucleus.
What is energy level, shell, or orbit?
Said everything is made of atoms. Atoms cannot be created or destroyed.
Who is John Dalton?
Created the first periodic table using atomic mass.
Who is Dmitri Mendeleev?
Shiny, bendable, conducts heat and electricity.
What is metal?
Name of Hg element
What is Mercury?