Atoms
What are the subatomic parts of an atom
protons electrons and neutrons
What are the first two elements of the periodic table?
Hydrogen and Helium.
If the object changes color is it a chemical or a physical change?
chemical change
How many laws of motion are there
3
What is the distance and displacement of a car that finished the Daytona 500
Distance 500 miles, displacement 0
Which particles are found in the nucleus?
Protons Neutrons
True or False: Neon has a full valence shell.
True.
Water freezing is a chemical or physical change?
a physical change becuase no new substance was made
What are the 3 states of matter
solid, liquid, gas
On a time/distance graph, a straight line will tell you what about an object's speed
it is constant
The atomic mass number represents the number of.....
protons and neutrons
The periodic table is separated into 3 groups, what are these groups?
Metals Non Metals Metalloids
What are 2 of the indicators that a chemical change has occurred.
smell heat or light colour change
What is force
any interaction that will change the motion of an object
Velocity refers to both speed and what of an object
the direction object is traveling
Name the charges of the following: Protons Electrons Neutrons
Protons (+) electrons (-) neutrons. (n)
What are the following elements names. Na K C Cl
sodium potassium calcium chlorine
Crushing a can is a chemical of physical change
physical
What is Newton's 3rd law state?
For every action there is an equal and opposite reaction
What are 3 ways an objects acceleration can change
speed up, slow down, change direction
When an atom receives electrons what charge does the atom then take on ?
a negative charge
What is a Lewis Dot Diagram?
Is the diagram that shows only the valence electrons
cooking an egg, chemical of physical change ?
Chemical change because a new substance has been made
If an atom gives away its electrons to become stable it has a _____ charge
postive
Which object has the greater momentum: a bowling ball traveling at 20 m/s or a golf ball traveling at 20 m/s
bowling ball