The smallest particle of an element that can exist alone.
What is an Atom
100
_____________ particles are smaller than atoms
What is Subatomic
100
Compound
What is
com
ou
100
Energy clouds; these energy clouds are actually force fields
What is When electrons move very fast, what do they create?
200
All things are made up of smaller parts and could be broken down into atoms; these atoms would make up all substances.
What is Democritus
200
Atoms can't be seen by the naked __________
What is eye
200
atomic
What is
A
O
ic
200
Scanning Tunneling Microscope
What is STM
300
Elements are made of atoms
Atoms of any elements arethe same
Atoms of different elements are different
Atoms of different elements can combine to form compunds
Any compound the numbers and kinds of atoms remain the same
What is the 5 principles of Dalton's modern atomic theory
300
At the center of an atom is the _____________
What is nucleus
300
Individual
What is
In
i
i
u
al
ly
300
Reads the surface by scanning it with tiny electrical currents
What is STM
400
The center of an atom; contains protons and neutrons
What is Nucleus
400
In 530B.C, Democritus theorized that all things could be broken into __________ parts and ultimately into _______
What is smaller and atoms
400
Attention
What is
A
e
tion
400
Would protons, electrons, and neutrons be found in the nucleus?
What is No. Only protons and neutrons are found in the nucleus. Electrons orbit the nucleus.
500
Smaller, negatively charged particles that orbit the nucleus; significantly smaller than a proton