Terms
What is the Periodic Table?
The Periodic Table is and arrangement of elements based on atomic number
who created the first Periodic Table?
Dmitri Mendeleev
Carbon
C
what is the big middle part of the Periodic Table?
Transition metals
what charge is neuron, proton, and electron?
in order
neutral, positive, negative
What is a group?
Columns of elements (Vertical) with similar properties.
who arranged the the Periodic Table by atomic number?
Henry G.J. Mosely
Mg
Magnesium
whats group 18 on Periodic Table
Noble gases
smallest piece of matter that still has properties of an element?
atom
What is a period?
Horizontal rows of elements that contain increasing number in electrons and protons.
What did Niel Bohr's create and what did it do?
he made the Bohr's model which showed the number of electrons in the circular orbit of the element.
Potassium
K
whats an element in its own category
Hydrogen in the hydrogen group
what particle is not located in the nucleus?
electron
What is a Quark?
smaller particles that make up protons and neutrons. smaller than atoms.
who was best known for Boyle's law and what was it?
(fist and last name needed)
Robert Boyle and it states that the pressure and volume of a gas are inverse.
Na
Sodium
what group is Iodine in (I)
nonmetals
how do you find the number of neutrons in an atom?
atomic mass - atomic number
What is an isotope?
Atoms of the same element that have different numbers of neutrons.
who discovered the electron?
J.J. Thompson
Iron
Fe
what group is Barium in (Ba)?
Alkaline Earth metals
how many electrons does each level in the Bohr's model hold?
level one is 2 and the rest are 8