Periodic Table
PNE
Motion
Acids and Bases
Random
200
What direction do periods on a Periodic Table go? In other words, do they go horizontally or vertically?
Side-to-side, horizontally, or left to right.
200
How many electrons can the first shell of an atom hold?
Two electrons.
200
What does motion need? (Hint, it is a force. Name the force.)
Input force.
200
Describe the pH of an acid.
Less than 7.
200
A light beam hits a mirror at a 36 degree angle, what is the angle of the reflected light ray?
36 degrees.
400
What group does Lithium belong to?
It is an alkali metal.
400
What are valence electrons?
They are the electrons on the outermost shell on an atom.
400
What counter force does all motion experience?
Friction.
400
What is an orange an example of?
An acid.
400
Where does the skier have the highest potential energy?
The top of the hill or first drawing of the skier.
600
How are groups on the periodic table arranged?
Vertically and up-and-down. (They are the columns.)
600
What is the formula for the atomic mass of an atom? Hint, the formula involves addition between two quantities of the subatomic particles.
Atomic mass=# of protons + # of neutrons.
600
In outer space, what would happen if I threw you and a Tesla out of Elon Musk's space ship? (Think about you and the car in 100 years.)
I would never stop moving along with the car unless I enter a place with friction.
600
What pH makes something neutral?
7, neutral seven.
600
Why do bridges have expansion joints?
Heat causes the molecules within the bridge to move more rapidly, causing the molecules to take up more space. This causes the size of the bridge to increase. The expansion joints help make so the bridge doesn't become damaged and break.
800
What is the least reactive group on the periodic table?
Noble Gases.
800
What is needed to make an element reactive?
It needs to be able to lose or gain electrons to make a full valence shell.
800
What is the formula for distance in motion?
It is speed multiplied by time.
800
If we put pH paper into a liquid, and the paper turns blue, describe the pH of the liquid.
It is basic.
800
When looking at a phase change diagram, why does the temperature sometimes stay constant?
The substance is changing into a different form such as solids, liquids, and gases.
1000
What is the most common element on the periodic table?
Hydrogen.
1000
What is needed to have the MOST reactivity?
It needs to lose or gain less electrons compared to another element.
1000
If I drove ten hours and travelled 85 miles, what was my speed?
8.5 miles an hour.
1000
What can you do to increase or decrease pH?
You need to add a substance that decreases or increases the pH to the desired level. Use basic substances to increase pH and acidic substances to decrease pH.
1000
In order to be magnetic, the magnetic domains of a magnet need to be _______.
Facing the same direction.