Atoms
What does the atomic number tell us?
Number of Protons
What are the three types of charges?
Positive, negative, neutral
What is force?
A push or a pull
What charge does a balloon gain when rubbed against our hair?
Negative
The periodic table of _______
Elements
What is the max number of electrons that can be held on the 1st energy level?
2
How do like charges interact?
They repel eachother
What is repulsion?
A push between two objects
Explain how two negatively charged balloons interacted with each other.
Since both are negative, they repel eachother
What is the top number called?
Atomic number
Why is the number of electrons the same as the number of protons?
Atoms are neutral. Neutral object have equal amounts of positive and negative charges.
How do opposite charges interact?
They attract each other
What is a scientific model?
A simplified visual representation of a phenomena or event
Explain why the hair stood up on the Van de Graaff machine?
Because the positive charges from the machine turned the hair positive. Since all strands were positive, they repelled each other.
What is the letter above the name called?
Symbol
1. Round the atomic mass
2. Subtract the atomic mass from the atomic number
What is a neutral object?
An object that has no charge, and equal amounts of positive and negative charges
What is attraction?
A pull between two objects
How does plastic wrap stick to certain objects?
When we pull it off the roll it becomes negatively charged. Then, it sticks to objects that want to be positive.
What is the bottom number called?
Atomic mass
What is a charged atom called?
Ion
What is electric field?
The "personal bubble" that charges put off. The more charge/stronger charge the wider the field goes.
What is phenomena?
An event that can be repeated and observed
How does bees and pollen interact? Be specific.
6
C
Carbon
12.011
Find the number of protons, neutrons, and electrons in this element
P:6
E:6
N:6 because (12-6)=6