NEW
Font size
WorksheetsChapter 14: Building Blocks of Matter
Total questions: 60
Worksheet time: 31mins
1 proton = ____amu
1 neutron = ____ amu
1 electron = ____ amu
17 protons = ____ electrons
What is the name of the ELEMENT in the first series of elements that are taken out of the Periodic Table?
Lanthanide
Lanthanum
Actinium
Actinide
Which one contains elements with the most in common?
Groups
Periods
Acids and bases can be measured by a(n) ....
indicator
scale
gram
milliliter
An element cannot be separated into simpler substances by physical or chemical means.
An atom is the smallest possible thing on Earth.
NaCl is an example of a.....
chemical formula
compound
mixture
solute
__________ form when two or more atoms form chemical bonds with each other. For example: NaCl or O3.
molecule
compound
Table Salt
Sodium Bicarbonite
Which one is true?
A molecule can also be a compound.
A compound can also be a molecule.
Choose the best answer for this example: NaHCl3
It is a compound.
It is a mixture.
It is a molecule.
It is both a molecule and a compound.
Choose the best answer for this example: O2
It is a compound.
It is a mixture.
It is a molecule.
It is both a molecule and a compound.
Choose the best answer for this example: O3 + Na2
It is a compound.
It is a mixture.
It is a molecule.
It is both a molecule and a mixture.
Which one is a balanced equation?
2H2 + O2 --> 2H2O
2H2 + 2O2 --> 2H2O
H2 + 2O2 --> 2H2O
2H2 + O2 --> H2O
