The Periodic Table

In an element box, the number at top is the

• atomic number

• atomic name

• atomic mass

• atomic symbol

Tags

NGSS.MS-PS1-1

Rows in the Periodic Table are called

• Periods

• Groups/Families

• Cousins

• Metals

Column in the Periodic Table are called

• Periods

• Groups/Families

• Cousins

• Metals

What do atoms of the same periodic group have in common?

• They have the same atomic number.

• They have the same chemical symbols.

• The have similar chemical properties.

• They have the same atomic mass.

The chemical symbol in this element box is

• 26

• Fe

• Iron

• 55.845

Tags

NGSS.MS-PS1-1

Find the element on Period 3 and Group 17. What is

this element’s chemical symbol?

• F

• Br

• Cl

• I

What is the chemical symbol for Sodium?

• S

• So

• Na

• Ca

How many periods are there in the periodic table?

• 7

• 9

• 10

• 18

Who arranged the periodic table of elements by the atomic mass (or mass number)?

• Democritus

• John Dalton

• Henry Moseley

• Dmitri Mendeleev

From this element key of Nitrogen, determine the atomic mass of nitrogen

• 7

• 7.01

• 14.01

• 21.01

Tags

NGSS.MS-PS1-1