WorksheetsAtoms and Elements Study Guide
Total questions: 13
Worksheet time: 7mins
an individual particle of an element
element
atom
compound
molecule
the mass of a single atom
atomic number
atomic pounds
atomic mass
atomic volume
a shorthand notation of one, two, or three letters that represent the name of the element
chemical symbol
chemical sign
chemical name
chemical reaction
a limitation on the range of possible solutions to a design
limitation
criteria
constraint
requirement
the requirements that must be met for an engineering solution to be successful
limitations
criteria
constraints
requirements
a unique particle of matter that is a fundamental building block of matter
element
compound
molecule
electron
a table that lists all of the known elements and groups them into columns by important shared properties
Periodic Table of Elements
Periodic Table of Atoms
Periodic Table of Compounds
Periodic Table of Molecules
The unit of measure for the atomic mass of an element is a __________.
gram (g)
milliliter (mL)
Dalton (Da)
Cubic centimeter (cm3)
Why did Mendeleev leave blank spaces on his Periodic Table of Elements?
for elements that he had not created yet
for elements that had not been discovered yet
because he didn't know what to put there
because it looked better to have blank spaces
The periodic table lists all the known elements and groups them into __________ by their shared ___________.
rows ; properties
rows ; atomic numbers
columns ; properties
columns ; atomic numbers
Scientists use scientific notation to __________.
make writing numbers harder
confuse 7th graders
understand why Mendeleev organized the periodic table
represent things that are very large or very small
Write the following in scientific notation
3,570,000,000
3.57 x 10^7
357 x 10^7
35.7 x 10^9
3.57 x 10^9
Write the following in standard form
4.56 x 10^5
4,560,000,000
456,000
45,600,000
45,600
