Atoms
What particle makes up everything?
The Atom
Name the three subatomic particles that make up an atom.
Protons, Neutrons, Electrons
How many elements are in the periodic table of elements?
118
Who proposed the Bohr Model?
Neils Bohr
What color is Mr. Menjivar's Hydroflask?
RED
How many different atoms exist?
118
Which subatomic particle has no mass?
Electrons.
What are the horizontal rows in the periodic table of elements called and how many are there?
Periods, 7
When was the Bohr Model proposed?
1913
What two brands of shoes has Mr. Menjivar worn to school so far?
Dr. Marten's (Doc's) and Vans
How many particles make up an atom?
Three (3)
Which subatomic particles determine the atomic mass of atom?
Protons and Neutrons
What are the vertical columns in the periodic table of elements called and how many are there?
What are the electrons in the last shell called and why are they so special?
Valence electrons, they're not special.
What is Mr. Menjivar's favorite soccer team?
Real Madrid
What are the two main parts that make up the structure of the atom?
Nucleus and Electron Shells (Electron Cloud)
Which subatomic particle is crucial for the existence of the nucleus? Why?
Neutrons because they allow protons to stay close together. (Mr. Menjivar will judge accordingly)
Each period tells us the number of _________ ________ in each atom in that period.
Electron Shells
Draw the Bohr Model for Sodium (Na).
Mr. Menjivar will judge accordingly.
In what year did Mr. Menjivar graduate from North Hollywood High School?
2016 (the best year ever)
Where in the atom do you find the Protons, Neutrons, and Electrons?
Protons and Neutrons (Nucleus)
Electrons (Electron Cloud/Shells)
Why are protons so important?
They determine the atoms' identity, properties, and atomic number. (Mr. Menjivar will judge accordingly)
Elements in the same group have the same number of __________ _________ in their last electron shell.
Valence Electrons
What was the purpose of the Bohr Model?
To show where you might find the electrons in an atom.
What two (2) sports did Mr. Menjivar practice in high school?
Cross Country & Soccer