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Atoms
Simple Machines
Periodic Table
Atomic Bonds
Physics
100
This is the order that Mendelev arranged the first periodic table that he arranged.
What is by atomic mass.
100
This type of simple machine is found on the bottom of a light bulb.
What is a screw.
100
The modern periodic table is arranged according to increadsing atomic what?
What is atomic number.
100
This is the easiest way to determine the number of valence electrons in an atom.
What is to look at the group number.
100
Acceleration involves a change in what?
What is speed and direction (or velocity).
200
The particles that make up the atom are:
What are protons, neutrons and electrons.
200
This type of simple machine helps people in a wheel chair move into buildings.
What is an inclined plane.
200
Atomic number is the number of what in an atom?
What is protons.
200
How many dots are in the electron dot diagram for Potassium (K Group 1)?
What is one.
200
The distance traveled by the time taken to travel the distance is called
What is speed
300
The energy levels of atoms are occupied by:
What are electrons.
300
This simple machine uses grooved wheels and a rope to raise or lower a load.
What is a pulley.
300
Elements in groups 3-12 are known as the what?
What is transition elements.
300
This is the neutral particle formed when atoms share electrons.
What is molecule.
300
A substance that speeds up a chemical reaction in the human body is a
What is enzyme.
400
This is the charged particle that is formed when atoms gain or lose electrons.
What is an ion.
400
This type of simple machine can be found on a child's playground.
What is a lever, inclined plane or wheel and axle.
400
Elements in groups 1,2, and 13-18 are known as the what?
What is representative elements.
400
This is the group number for elements that have a stable number of electrons in their outer energy level.
What is group 18 or the noble gases.
400
Each substance written to the right of the arrow in a chemical equation is known as a
What is a product.
500
In atoms, electrons are located in the:
What is the electron cloud.
500
Running on _________________ will never be a characteristic of simple machines.
What is electricity.
500
This is the maximum number of electrons that the third energy level can hold.
What is eighteen.
500
This is the maximum number of electrons that the second energy level can hold.
What is eight.
500
If gravity did not affect the path of a horizontally thrown ball, the ball would continue to travel
What is horizontally.