7.6B Counting Atoms

Multiple Choice

What did this history hunk create?

• The microscope

• The wheel

• The periodic table

• A water purifier

Multiple Choice

How is the periodic table arranged?

• By decreasing atomic number

• By increasing atomic number

• By chemical symbol

• Alphabetically

Fill in the Blanks

A chemical

is a representation of a substance using symbols for its elements

Dropdown

How many letters do chemical symbols have? ​

Select answer

Multiple Choice

How many ELEMENTS are found in C6H12O6

• 6

• 24

• 2

• 3

Multiple Choice

How many MOLECULES are found in 6NaCl?

• 12

• 6

• 4

• 8

Multiple Choice

What does a SUBSCRIPT show?

• How many molecules

• How many compounds

• How many elements

• How many atoms

Multiple Choice

How many atoms are in 3NaC2H3O2

• 24

• 8

• 6

• 18

Multiple Choice

How many atoms are there in 5H2O?

• 8

• 4

• 10

• 15