WorksheetsMolecules and Organic Compounds
Total questions: 45
Worksheet time: 26mins
Identify the macromolecule associated with this image.
Protein
Carbohydrate
Lipid
Nucleic Acid
Identify the macromolecule associated with this image.
Protein
Carbohydrate
Lipid
Nucleic Acid
Identify the macromolecule associated with this image.
Protein
Carbohydrate
Lipid
Nucleic Acid
_ and _ make up the nucleus of an atom.
(a)
An electron of an atom...
lives inside the nucleus and has a neutral charge.
circles the nucleus and has a positive charge.
lives inside the nucleus and has a negative charge.
circles the nucleus and has a negative charge.
The total number of electrons in a neutral atom of every element is always equal to the atom's ________________________.
atomic mass number
number of neutrons
number of shells
number of protons
The atomic mass is equal to which two items added together?
Protons
Neutrons
Electrons
Atom
Electron Shells
Look at the information on the element box below to answer the following questions.
Number of Protons: (a)
Look at the information on the element box below to answer the following questions.
Number of neutrons: (a)
Look at the information on the element box below to answer the following questions.
Number of electrons: (a)
Which TWO of the following below would represent correct Bohr models?
Pay attention to the number of electrons in each shell.
A
B
C
D
Elements can be made of a single _____
subatomic particle
particle
atom
molecule
A ______ is made when more than one element is chemically bonded together.
atom
compound
particle
bond
H₂O is a compound molecule.
TRUE
FALSE
How many valence electrons ae in the element Carbon?
2 electrons
6 electrons
4 electrons
None of the above
Are these molecules also compounds?
YES
NO
Which of the following is NOT a compound?
HCl
Cl2
NaCl
CO2
A substance that is formed as the result of a chemical reaction is a __________________
Product
Reactant
Starters
Enders
In the equation 2Mg+O2 → 2MgO which are the reactants?
NaHCO3 is an example of
CH4 + 2O2 → CO2 + 2H2O
