Show:
Mystery Chemistry
Atom Ant's Atom
Atomic Mass Mastery
What the matter with Matter?
Atomic Cafe
100

 started the development of the periodic table

Dmitri Mendeleev

100
The inner part of an atom that contains the proton and the neutron is called the __________.
Nucleus
100
If an atom was enlarged so the electrons were spinning around the stands of a football stadium, how big would the nucleus be?
marble
100
This is anything that takes up space (has a mass).
matter
100
Atomic numbers of an atom are the same as the number of what in an atom?
protons
200
People thought you could turn iron and lead into what?
gold
200
These particles have a positive charge and are found inside the nucleus.
proton
200
Atomic masses are measured in what?
AMU
200
The smallest pieces of matter are called __________.
atoms
200
Carbon's atomic number is _______.
6
300
The earliest form of chemistry was called _______.
alchemy
300
These particles are located within the nucleus, and have no charge.
Neutron
300
A proton has the atomic mass of what?
1
300

First suggested the existence of the atom

Who is Democritus

300

process where the nucleus of an atom is split into two or more smaller nuclei

Nuclear fission

400
Names for elements comes from the English or __________ name.
latin
400
These particles are negatively charge and are found outside the nucleus.
electrons
400

proposed in 1913 a planetary model

Who is Niels Bohr

400

The elements Na, Si and Cl are located in the same

What is period

400
Why does hydrogen have an atomic number of 1?
because it only has one proton
500
People first realized that an atom had a proton and an electron in which decade?
10's
500
Most of the mass of an atom is located here.
nucleus
500

is the scientist credited for proposing the atomic theory.

John Dalton

500

What is the formula for the ideal gas law?

Pv = nrT

500

Performed a series of experiments studying the inner structure of atoms using alpha particles

Ernest Rutherford