Groups go up and down the periodic table, Groups look like columns. How many groups are on the periodic table?

• 7

• 13

• 18

• 10

What are the three kinds of elements?

• Metals, plastic, and gases

• acid, reactive, and density

• silver, black, and white

• Metals, Nonmetals and Metalloids

Is Bismuth (Bi) an element or a compound? (Remember - each capital letter represents an element.)

• element

• compound

What does the number 22 represent?

• atomic number

• chemical symbol

• element name

• atomic mass

Tags

NGSS.MS-PS1-1

How many elements does NaHCO3 have?

• 5

• 4

• 6

• 3

Tags

NGSS.MS-PS1-1

Who created the Periodic Table of Elements?

• Sir Isaac Newton

• Alfred Einstein

• Dimitri Mendeleev

• Alfred Nobel

Periods go across the Periodic Table. We refer to them as rows. How many Periods are on the Periodic Table?

• 13

• 8

• 18

• 7

What is an element?

• a substance made of many elements

• a pure substance that CANNOT be broken down

• a person, place or thing

• a pure substance that CAN be broken down

When the periodic table was FIRST created it was organized by __________. However, the modern periodic table is organized by _____________.

• atomic mass/atomic number

• alphabet order/atomic number

• atomic number/density

• atomic mass/color

On the periodic table of elements, what is a horizontal row of elements called?

• atomic number

• Group

• a flock

• Period