What is anything that takes up space?
Matter
What cannot ever be changed in a chemical equation?
The subset cannot be changed
What is the thing that is found in the beginning of each part of a chemical equation? This can be changed to balance the equation
Coefficient
What is the chart called where all the elements are arranged in a certain order?
Periodic Table
How many elements are there?
118
What is the smallest part of matter?
An atom
What does the atomic number tell us?
The atomic number tells us the amount of protons and electrons an element has
What is the difference between groups and periods on the periodic table?
Groups are the columns on the periodic tables so they go up and down. Periods are the rows on the table and go left to right
What is the different electrical charges for protons, neutrons, and electrons?
Protons are positive
Neutrons are Neutral/Have no charge
Electrons are negative
What are the three subatomic particles of an atom?
Proton, Electron, and Neutron
Provide 5 elements on the periodic table
Answers may vary
Give an example of a physical change
Splitting a piece of wood in half
Burning a piece of wood
What is the final group on the periodic table known as? You could say they are sophisticated farts
Noble Gases
What are the three categories on the periodic table. Hint one of them is Metals
Metals, Metalloids, and nonmetals
What is the difference between a chemical change and a physical change?
A chemical change is permanent and can not be turned backed to it original substance. A new substance is formed. A physical change is when the form of a substance changes, but a new substance is not formed
Explain the difference between the atomic mass and the atomic number of an element
The atomic number will tell us the number of protons and electrons in an elements nucleus. The atomic mass has to be used to find the number of neutrons in an element
Where are the nonmetals, beside hydrogen found on the periodic table?
Upper right side of the table
What is the first group in the periodic table?
Alkali Metals
What type of element is generally shiny
metals
What information can scientists pull from the periodic table?
Proton number, electron number, neutron number, and location of where they are on the periodic table
Why are there two series of elements that are separate from the rest of the periodic table?
The first group is separated because the electrons are not stable. The second category is created in a laboratory
Balance this equation
___N2+____H2--->_____NH3
1N2+3H2---->2NH3
Balance this equation
_____KClO3 -----> ____KCL +____O2
__2___KClO3 -----> __2__KCl +__3__O2
What scientist came up with the periodic table?
Dmitri Mendeleev