Specific Elements
What element has an atomic weight of 1?
What is Hydrogen?
The person that believed all matter is made up of four elements.
Who is Aristotle?
Water has this pH number.
What is 7?
Two things inside of the nucleus.
What are protons and neutrons?
This qualifies a molecule.
What are multiple atoms bonded together?
An Element with two electrons.
What is Helium?
The first person to search for the description of matter.
Who is Democritus?
A liquid with a pH of 14.
Stomach acid, battery acid, other correct answers acceptable.
Label the parts of an element box.
What is the atomic #?
What is the atomic mass?
What is the symbol (initials)?
What is the element name?
The number of electrons shared in a molecule of H2
What is one?
Name 10 elements.
Please do not look at the element wall.
Answers vary
The solar system model was invented by this person.
Who is Bohr?
When an extreme base and an extreme acid work against one another.
What is neutralizing or canceling?
Protons are ______ charged, Neutrons are _______ charged, and electrons are ________ charged.
(Timed, how fast can you remember it?)
What is positive charge, neutral charge, and negatively charged.
Draw H2
See board
An element that is non-toxic and melts at about 87 degrees (easy to melt with hands).
What is Gallium?
Ernest Rutherford performed this experiment.
What is firing positively charged particles at gold foil?
The mineral that forms when certain acids and bases are mixed together.
What is salt?
The space between the electron rings.
What is the Electron Cloud?
The molecule that we need to breathe.
What is O2?
The element that people used in hats and in purifying gold.
What is Mercury?
Name two scientists responsible for the cloud theory.
Who are Schrodinger, Heisenberg, Einstein, and other scientists?
Name 3 different items with separate pH numbers and draw them on the board.
*Optional: Draw the pH scale on the board as well.
See board.
The electrons move around the electron cloud this many times a second.
What is billions?
Draw two molecules that make up the air.
See board.