Elements
What is the 1st element?
Hydrogen
What did Dalton discover?
Dalton discovered that atoms can not be made or destroyed and that everything is made up of atoms.
What is the location, mass, and charge of protons
In the nucleus, 1amu, and +1
A=P=E stands for?
Atomic Number=Protons=Electrons.
Al2O3 means what?
2 Al/Aluminum atoms, and 3 O/Oxygen atoms.
What is the 10th element?
Neon
Who discovered that atoms are made up of mostly empty space?
Rutherford discovered that atoms are made up of mostly empty space.
What are the five parts of the atom?
Nucleus, Electron Cloud, Proton, Electron, and Neutron.
Ag2O means what?
Ag=2 O=1
What is the element that has the symbol B?
Boron
Who discovered the electron?
Thompson discovered the electron.
What is the location, mass, and charge of electron?
The electron cloud, no mass, and -1
M-A=N stands for?
Mass-Atomic Number=Neutrons.
What does SnO2 mean?
Sn=1 O=2
What is the 12th element?
Magnesium
What experiment did Rutherford do to reach his conclusion?
He shot charged particles at a piece of gold foil.
What is the location, charge, and mass of neutrons?
In the nucleus, no charge, and 1 amu.
What does KcIO3 mean?
K=1 C=1 I=1 O=3
What is the element that has Na as there symbol?
Sodium
Who discovered the energy levels of atoms?
Bohr discovered the energy levels of atoms.
RAP stands for?
Reactants ---> Products.
NaBr means what?
Na=1 Br=1