WorksheetsChemical Reactions: Amplify 1 & 2
Total questions: 50
Worksheet time: 2hrs 2mins
What makes up all substances?
carbon
atoms
diamonds
Which word means the relative size of things?
model
property
scale
molecule
Which word means a group of atoms joined together in a particular way?
model
property
scale
molecule
Which word means something that can be observed about a substance, such as color, smell, or boiling point?
model
property
scale
molecule
The diagram above shows the repeating groups of atoms that make up two samples. Both samples are red powdery solids at room temperature. Will the other properties of the two samples be the same or different? (Examples of properties are smell, color, and the temperature at which a substance melts.)
The other properties will be different because there are more repeating groups of atoms in Sample 1.
The other properties will be the same because both samples are red at room temperature.
The other properties will be the same because both samples are powdery solids at room temperature.
The other properties will be same because the repeating groups of atoms that make up the two samples are the same.
Review the results from Dr. Yung's lab. Based on this evidence, which claim about the reddish brown substance is best supported?
Claim 1: The reddish-brown substance is the same as the substance that makes up the pipes.
Claim 2: The reddish-brown substance is the same substance as the fertilizer.
Claim 3: The reddish-brown substance is not the same as either the fertilizer or the substance that makes up the pipes.
Why do different substances have different properties?
They are made of different groups of atoms.
They look different.
The same atoms can change their properties when needed.
There are different numbers of the repeating atom groups.
The tiny pieces that all matter--all the stuff in the world--is made of ...
atoms
protons
molecules
electrons
What is the smallest unit of matter? It is composed of protons and neutrons, held together in the nucleus, and electrons around the nucleus in different electron orbitals, which form an electron cloud.
cell
nucleus
atom
electron
What is a subatomic particle with a positive charge that is in the nucleus of an atom?
neutron
proton
electron
valence electron
What is a subatomic particle without an electric charge, located in the nucleus of an atom?
neutron
proton
electron
valence electron
What is a subatomic particle with a negative charge? It is found in the electron cloud surrounding the nucleus.
neutron
proton
electron
electron cloud
What is the center of an atom containing protons and neutrons?
nucleus
neutron
proton
electron cloud
What is the number of protons in the nucleus of an atom that determines the chemical properties of an atom?
mass number
atomic mass
atomic number
atomic symbol
What is the combined mass of all the protons and neutrons of an atom and is approximately equal to the number of protons and neutrons?
atomic mass
atomic number
subatomic particles
nucleus weight
What is material that has mass and takes up space?
volume
mass
matter
density
How many Nitrogen (N) atoms are in 4NH3?
4
1
3
12
How many total molecules is 4NH3?
4
1
3
12
How many total atoms make up 4NH3?
4
16
3
12
In the equation shown, what are the reactant(s)?
N2 + H2
NH3
In the equation shown, what are the product(s)?
N2 + H2
NH3
One or two letters that represent the elements on the periodic table is called? For example, Ca.
Subscript
The Chemical Equation
The Chemical Symbol
Coefficient
What does the Law of Conservation of Matter state?
Matter cannot be created or destroyed in a chemical reaction, it just changes into something new/changes form.
Matter can only be lost in a chemical reaction.
Matter can only be gained in a chemical reaction.
Matter can be gained and lost in a chemical reaction.
2H2 + O2 --> 2H2O
2Na + S --> Na2S
Name the product(s).
How many F atoms are in this compound?
MgF2
2
6
8
12
What is the maximum number of electrons that can be found in the third shell (energy level)?
2
8
18
What element is this?
Nitrogen
Chlorine
Argon
Phosphorous
period
Elements that occur in vertical columns on the periodic table.
A horizontal row of elements in the periodic table
Found in group two of the periodic table; highly reactive
A subatomic particle that has a negative charge
neutron
A subatomic particle that has a positive charge and that is found in the nucleus of an atom
not able to conduct heat or electricity, little to no metallic luster
A subatomic particle that has a negative charge
A small particle in the nucleus of the atom, with no electrical charge
Number of protons and neutrons
atomic number
atomic mass
noble gases
Non-metals
Santiago is a chemist working to make a new kind of antacid, which is a medicine that helps with stomach pain. He mixed two powdery solid substances together in a sealed container. The diagram above shows the repeating groups of atoms that make up the two starting substances.
After mixing, Santiago found two liquid substances in the sealed container. (Nothing had escaped.) Which of the diagrams to the left shows the repeating groups of atoms that make up the ending substances?
Patrik works at a company that makes paper and needs a chemical to make the paper brighter. He mixed two colorless substances together in a sealed container. The diagram above shows the repeating groups of atoms that make up the two starting substances.
After mixing, Patrik found two white substances in the sealed container. (Nothing had escaped.) Which of the diagrams to the left shows the repeating groups of atoms that make up the ending substances?
Which of the following is defined as, " to change the order or position of something"?
reactant
product
rearrange
model
Which term is defined as, "something that can be observed about a substance, such as color, smell, or boiling point"?
product
reactant
chemical formula
property
Which of the following is defined as, "a process in which atoms rearrange to form new substances"?
chemical formula
chemical reaction
product
reactant
