a man who developed a simplified model of the atom
Who is Niels Bohr
the study of matter - what it is made of, what its usual characteristics are, how it reacts to other matter
What is chemistry
sum of the number of protons and neutrons
What is atomic mass
based on the number of protons in the nucleus
What is atomic weight
part of an atom that has a positive charge
What is proton
a man who developed a classification system for elements
Who is Dmitri Mendeleev
classification system for elements
What is periodic table of elements
What is group
space that represents the average distance from the nucleus that electrons travel
What is shell
part of an atom that has a no charge
What is neutron
the Father of Modern Chemistry
Who is Robert Boyle
what scientists think atoms are like, based on repeated observations
What is atomic theory
a row on the periodic table of the elements
What is period
Location of protons and neutrons
What is nucleus
part of an atom that has a negative charge
What is electron
codiscovered the chemical elements radium and polonium
Who is Marie Curie
What is chemical symbol
smallest piece of an element that can be recognized as that element
What is travels around nucleus
your favorite element
known as the "Father of Chemistry," Lavoisier is known for the Law of Conservation of Masses
Who is Antoine Lavoisier
special machine that smashes atoms
parts of the atom
What are neutron, proton, electron, and nucleus
mom's favorite element
what is GOLD! Gold! and more Gold!!!!