Periodic Table Intro

What does the 1.00794 stand for?

• Hydrogen

• atomic number

• atomic mass

• atomic explosion

Tags

NGSS.HS-PS1-1

Which number is the atomic mass?

• 79

• 196.97

The word "periodic" in periodic table refers to...

• a regular, repeating pattern

• organization of elements

• columns of elements

• increasing numbers of protons

All the elements that are blue and to the left of the stair step ladder are called...

• metals

• nonmetals

• metalloids

• noble gases

All the elements that are yellow and to the right of the stair step ladder are called...

• metals

• nonmetals

• metalloids

• noble gases

Which of the following elements is in period 2?

• K

• H

• O

• Ca

Tags

NGSS.MS-PS1-1

Which of the following elements is in group or family 2?

• K

• Cs

• O

• Ca

Tags

NGSS.MS-PS1-1

What is the atomic number for the NEUTRAL atom pictured?

• 2

• 6

• 7

• 8

Tags

NGSS.MS-PS1-1

How are elements arranged in the periodic table?

• by the number of neutrons

• by physical properties

• by periods and groups

• by atomic mass

How many periods in the periodic table?

• 8

• 18

• 12

• 7