The internal part of the atom is called what?
Nucleus
A neutral atom has the same amount of ______ and _____.
Protons and electrons
True or false: A physical change is a change where the chemical makeup of compounds/atoms is changed. For example: H2 + O ---> H2O
False
What subatomic particle is missing from the Bohr Model
Neutrons
Democritus
The outside of the atom is called the
Electron cloud
Adding/removing electrons
Timmy Two Shoes wants to see if soap is basic or acidic. What pH range would Timmy look for if soap was basic?
pH of 8-14
What is another name for the Bohr Model?
Planetary Model
This Old Dead Dude suggested that atoms are one large ball of positive charge with "raisins" of electrons sprinkled throughout.
JJ Thomson
Quarks
What is the atomic mass of the element below?
Protons: 15
Neutrons 16
Electrons: 15
Atomic Mass = 31
10 g/mL (Density = mass/volume)
How many electrons fit in the first 3 rings of the Bohr Model? Answers must be exactly correct!
Ring 1: 2
Ring 2: 8
Ring 3: 8 or 18
These Old Dead Dudes are responsible for producing the electron cloud model... and maybe something that involves a box and a cat I don't know.
Schrodinger & Heisenberg
Name all 5 ways that elements get their names from
A Place, Scientist, Mythology, Mineral, Property of the atom
What is the charge of the element below?
Protons: 50
Neutrons: 72
Electrons: 48
Charge: +2
Name all 4 chemical properties of matter that were discussed in class.
Flammability (Combustibility), Reactivity, Acidity, Basicity
Teacher to show on the board.
These Old Dead Dudes are responsible for discovering quarks... oh wait actually one is still alive.
Gell-Mann and Zweig
Which of the 5 ways of naming elements did the following elements get their name from?
Element 1: Nihonium
Element 2: Copernicium
Element 3: Boron
Element 1: A place (Japan = Nihon)
Element 2: A person (Copernicus)
Element 3: A mineral (Borax)
Using the picture provided, figure out the amount of...
Protons:
Neutrons:
Electrons:
Protons: 8
Neutrons:10
Electrons:10
Temperature, State of Matter, Color, Hardness, Texture, Odor, Luster, Mass, Density, Conductivity, Malleability (being pressed into thin sheets), Boiling Point, Melting Point, Solubility, Magnetism, Ductility (the ability to be made into thin wires).
Draw the Lewis Dot Structure of Chlorine.
1. Atoms are small invisible particles
2. Atoms of the same element are the same
3. Atoms of different elements are different
4. Atoms combine to form compounds