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Q 1/18
Score 0
An atom can be best described as
20
An invisible particle that only exists in science books
A particle found in compounds
A substance composed of 2 or more elements bonded together
The smallest unit of a substance that can still be considered that substance
Q 2/18
Score 0
What subatomic particle(s) is/are located in the atom"s nucleus
20
Protons and Neutrons
Electrons only
Neutrons and Electrons
Protons and Electrons
18 questions
Q.
An atom can be best described as
1
20 sec
Q.
What subatomic particle(s) is/are located in the atom"s nucleus
2
20 sec
Q.
What type of charge doe a proton have?
3
20 sec
Q.
What type of charge does an electron have?
4
20 sec
Q.
Covalent bonds form between ____________.
5
20 sec
Q.
What is the formula for the ionic compound B+2 and F-1
6
20 sec
Q.
7
20 sec
Q.
A car traveling at an initial velocity of 45 mph, speeds up to reach 64 mph. Is this car accelerating? Why or why not?
8
20 sec
Q.
A car increases its speed from 6 m/s to 36 m/s over a time period of 6 s. What is the its acceleration?
9
20 sec
Q.
In order for a turtle to move forward, his strokes must push the water surrounding him backward. This example demonstrates the principle described in Newton's ......
10
20 sec
Q.
A swing on a porch remains motionless until someone sits on it or a child pushes it. This example demonstrates the principle described in Newton's ..........
11
20 sec
Q.
The force of an object is directly proportional with bothe its mass and acceleration. it can be determined by multiplying the two values. This demonstrates the principle described by Newton's .....
12
20 sec
Q.
Explain why you would weigh more on Jupiter than you do on Earth.
13
20 sec
Q.
Energy is defined as
14
20 sec
Q.
Which of the following is the correct definition of electrical energy?
15
20 sec
Q.
The process of chewing and digesting an apple converts __________________ energy to _________________ energy.
16
20 sec
Q.
Strumming a guitar show the process of ______________________ energy changing to _____________________ energy.
17
20 sec
Q.
Kinetic energy is energy of motion. HOw could you determine how much kinetic energy an object has?
