Table

The horizontal row on the periodic table is called a

• group

• family

• period

• atomic number

The atoms along the staircase are called 

• metals

• nonmetals

• metalloids

• noble gases

How many protons are in this element?

• 79

• 196

• 117

• Cannot be determined

Tags

NGSS.MS-PS1-1

How did Mendeleev arrange the elements?

• alphabetical 

• density

• melting point

• atomic mass

What does the 1.00794 stand for?

• Hydrogen

• atomic number

• atomic mass

• atomic explosion

Tags

NGSS.MS-PS1-1

Most of the elements on the periodic table are classified as _____.

• Metals

• Nonmetals

• Metalloids

• Periods

This class of elements are sometimes called "semiconductors."

• Metals

• Nonmetals

• Metalloids

• Groups

Tags

NGSS.MS-PS1-1

The horizontal (side to side) rows in the Periodic Table are called

• groups

• families

• periods

• atomic numbers

Which item on this element square is the chemical symbol?

• Copper

• 29

• Cu

• 63.546

The vertical (up and down) columns in the Periodic Table are called

• groups

• towers

• periods

• atomic numbers