Atoms and Elements
Chemical Formulas
Macroscale vs. Molecular
Random?????
100
What is an atom?
An atom is the smallest part of a substance that cannot be broken down any smaller
100
What is a subscript?
What does it tell us?
The subscript is the number located in the bottom right hand corner
It tells us how many atoms are present in the molecule
100
What is scale?
the relative size or level at which you observe something
100
What is our principal's name?
Mr. Morgan
200
What is an element?
An element is a substance that is made up of only ONE type of atom.
200
What is a Coefficient?
What does it tell us?
The Coefficient is the number that comes before the molecule.
It tells us how many of that molecule there are.
200
What is the molecular scale?
Extremely Tiny
Size of Atoms and Molecules
200
The name for the plastic or metal tubes found at the ends of shoelaces.
an aglet
300
How many elements have we discovered so far?
118
300
How many different elements are present in this compound?
Ni(H₂O)₆
3
Nickel, Hydrogen, and Oxygen
300
What is macroscale?
something that is directly observable
300
What is the definition of a palindrome?
Spelled the same backwards and forwards
400
True or false?
An element is not a pure substance
False.
A pure substance is a substance that can't be broken down into simpler substances, so an element is a pure substance
400
How many atoms of each element are present in this molecule?
CH4
1 atom of Carbon (C)
4 atoms of Hydrogen (H)
400
This is an example of what kind of scale?
Macroscale
400
What do you call a group of giraffes?
a tower or a journey
500
What elements make up the compound glucose? Hint: there are 3
Full names, not symbols
C6H12O6
Carbon (C)
Hydrogen (H)
Oxygen (O)
500
How many atoms of each element are present in this molecule?
3K₄Fe2C5N2
Hint: K=Potassium, Fe=Iron, C=Carbon, N=Nitrogen
12 atoms of potassium
6 atoms of iron
15 atoms of carbon
6 atoms of Nitrogen
500
This is an example of what kind of scale?
Molecular
500
What percentage of the worlds’ almonds does California produce? (closest answer gets the points)
80%