Atoms
Atoms are the ______ ________ of matter.
Building Blocks
Define the word: Element
An element is the simplest form of matter
Symbol for Vanadium
V
What was the first step when starting the mystery mixture lab?
Put on your safety goggles
positive
Define: Atomic number
The number of protons in an atom of that element
Symbol for Plutonium
Pu
How many drops of water did we add to substances in the wells?
10 drops
Charge of an electron
negative
Define the word: matter
Anything that has mass and takes up spacee
Rounded mass of Radon (with units)
222amu
What was the mixture mixture? (common names)
citric acid and baking soda
What subatomic particles are found in the nucleus?
protons and neutrons
Give me an example of a substance using its chemical name, chemical formula, and common name
answers vary
Period 2, Group 1
Li (Lithium)
What 3 substances have the same 3 elements on our mystery mixture elements page in our SIN
Ascorbic acid, citric acid, sucrose
What is the formula for finding the atomic mass?
protons + neutrons = atomic mass
What is the difference between a substance and a mixture?
A substance is made of only one kind of material, and a mixture is made of two or more materials mixed together.
Period 4, Group 8
Fe (iron)
Chemical name for CO₃
Carbonate