Atomic Basics
Periodic Table
Polymers
Chemical Bonding
Scientific Inquiry
100
How many neutrons are in the element calcium?
What is 20
100
What element is in the same period as Helium?
What is Hydrogen
100
Which is stronger, HDPE or LDPE?
What is HDPE
100
This type of bonding involves elements sharing electrons.
What is covalent bonding
100
The variable that is measured in an experiment
What is dependent variable
200
How many protons, neutrons, and electrons does magnesium have?
What is 12, 12, 12
200
Elements in the same column (up and down) are said to be in the same what
What is group
200
Name one benefit and one risk of plastics (synthetic polymers)
(answers will vary)
200
This type of bonding involves elements transfering electrons
What is ionic bonding
200
The factor that "I" changed (or tested) in an experiment
What is independent variable
300
Why does the atomic number represent?
What is the number of protons in an element
300
What does the atomic mass represent?
What is the number of protons + the number of neutrons.
300
What type of bonding holds the hydrocarbons in polymers together?
What is covalent bonding
300
The law that states that "Matter cannot be created nor destroyed, only changed in form" is
What is The Law of Conservation of Matter (mass)
300
A group used for comparason in an experiment
What is control group
400
What is a negatively charged particle called
What is an anion
400
How many valence electrons does Boron have?
What is 3
400
Thin food wrap is this type of plastic
What is LDPE
400
When two hydrogens atoms bond with one oxygen atom, what molecule is formed?
What is Water
400
What is one way to improve the validity of ANY experiment?
What is REPEAT!
500
What is an element with a different number of neutrons than expected?
What is an isotope.
500
This type of diagram shows the number of valence electrons in the element
What is Lewis Structure
500
What is the relationship between the branching of a polymer and its strength?
The more branched, the less strong.
500
Why is it important to balance chemical equations?
So you have the same number of atoms of each element on each side of the equation. Matter can't be created nor destroyed!
500
What type of graph do you use to represent the change of something over time?
What is a line graph
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