Atoms
How many protons does Titanium have?
22
How many protons does Nitrogen have?
7
How many electrons are in Nickel?
28
Neutrons make up what in an atom?
Nucleous
How do you find Valence Electrons?
Valence Electrons are the roman numerals at the top of the groups
What is the order for electrons in each shell around an atom
2,8,8,18,18,32,32
What kind of charge does a proton have?
Positive (+)
2
Who discovered the neutron?
James Chadwick
What is an atom?
the basic unit of a chemical element
What are atoms made out of?
Protons, Neutrons and Electrons
What is a proton?
A proton makes up the atomic number. It is also in the nucleous
How many electrons are in each level?
Each shell can only hold a certain amount
When where neutrons discovered?
1932
Periods
How many elements are there?
118
What does the proton make up?
the nucleus along with neutrons
Why do electrons fill in orbitals?
Lowest energy to the highest energy
What is the importance of the neutron in an atom?
In an atom, a proton carries a positive charge, and the neutron carries negative charges
On the PTE what do the columns represent?
Groups
What is a mixture?
a substance made by mixing other substances together
What is the atomic number for Oxygen (O)
8
Does loss or gain create a positively or negatively charged ion?
Ions are formed when atoms lose or gain electrons
How did the neutron get its name?
Rutherford named neutron as well as a proton. Neutron already had its name by Rutherford in 1920 before its discovery in 1932 by James Chadwick.
Does an atom have a color?
do not have colors they are clear except under special conditions you could not see the color of one atom or molecule