Font size
WorksheetsUnit B Test Review
Total questions: 20
Worksheet time: 14mins
Who proposed the idea that polymers are made of chains of smaller molecules called monomers?
Alexander Herman
Herman Staumann
Christopher Jacobs
Hermann Staudinger
Most cross-linked polymers cannot be ____?
Recyled
Reused
Frozen
Burned
Which are examples of physical properties?
Color
Shape
Density
Reactivity
A grouping of elements based on similar properties arranged in colums on the periodic table is called ____?
A line
A cluster
A family
A tier
People have used plastics for decades
True
False
What are tiny particles that every element is made of; the smallest unit of matter?
Monomer
Atom
Particle
Cell
A compound is ____?
2 or more different elements held together by a chemical bond
a mixture of multiple monomers
consisting of many things
2 or more atoms held together by a chemical bond
What is an energy connection that holds atoms together?
A physical bond
Radioactivity
A chemical bond
A link
An atom has a different amount of protons and electrons.
True
False
In reactions, the (1) ____ are chemically changed to form the (2) ____ .
(1) components (2) products
(1) monomers (2) polymers
(1) products (2) chemicals
(1) reactants (2) products
What are the element names of these chemical symbols: N, B, Li (in order)
Lithium, Nitrogen, Boron
Neon, Beryllium, Lithium
Neon, Boron, Lithium
Nitrogen, Boron, Potassium
Name the four families of the periodic table.
Alkali Metals, Alkaline Earth Metals, Halogens, Honorable Gases
Halogen Metals, Alkaline Earth Metals, Alkali Metals, Gases
Noble Earth Gases, Halogens, Alkaline Metals, Alkali Metals
Alkali Metals, Alkaline Earth Metals, Halogens, Noble Gases
A circuit board is ____ ?
a thin plate which electrically connects computer chips and other electronic components
a plate in which wired are connected
similar to fine china; fragile
a thin plate that connects computers together
Name the true aspects of this element.
Atomic Number is 20.18
Atomic Mass is 20.18
Atomic Number is 10
Atomic Mass is 10
The idea that matter is neither created nor destroyed; is stated under ____ ?
The Law of Conservatory/Mass
Bell's Theorem
The Law of Conservation/Matter
The 3rd Law of Motion
Why are plastics important to our society?
They are indestructable
They have changed the way we work and live
They are made of polymers
They come in cool colors
Which are everyday compounds?
Table Salt (NaCl)
Water (H2O)
Potassium (K)
Gold (Au)
What is the difference between protons and neutrons?
Protons have a neutral charge while neutrons have a negative charge
Protons have a positive charge while neutrons have a negative charge
Protons have a negative charge while neutrons have a positive charge
Protons have a positive charge while neutrons have a neutral charge
How many atoms are in the chemical formula C12H22O11 (table sugar)
38 atoms
44 atoms
45 atoms
29 atoms
If a piece of plastic sunk to the bottom of a bowl filled with water, what does this tell you about the plastic?
The plastic is dense
The plastic is light
The plastic is more dense than the water
The plastic is less dense than the water
