Mendeleev's Periodic Table

The Russian scientist who made the periodic table in 1872

• Isaac Newton

• Antoine Lavoisier

• Dmitri Mendeleev

• Gregor Mendel

Horizontal rows on the periodic table are called

• families

• periods

• groups

• commas

Which group is composed of soft metals that react violently in water?

• alkali metals

• alkaline earth metal

• rare earth metals

• transition metals

Tags

NGSS.MS-PS1-2

Label the table

a

b

c

d

e

alkali metals

Nonmetals

metalloids

transition metals

noble gases

The three most abundant elements ON EARTH are:

• Hydrogen

• Silicon

• Oxygen

• Nitrogen

• Aluminum

What is the term for the 8-ish elements that sit on the "staircase" on the periodic table and have properties that are "in between"?

• Metals

• Metalloids

• Nonmetals

• Androids

Which element is a silvery, brittle, metalloid that is used in the semiconductors of computer chips?

• Aluminum

• Gold

• Silver

• Silicon

What is the name of the group 7A elements that are able to make salts with group 1?

• Halogens

• Noble gases

• Hydrogen

• Alkaline earth metals

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Elements Mg and Ca are found in group 2A. Group 2A's family name is

• Halogens

• Noble gases

• Alkali metals

• Alkaline earth metals

The noble gases are inert. What does the word "inert" mean?

• reactive

• unreactive

• fast

• ignorant