Periodic Table CK12 Quizizz

They are all mixtures.

They are all elements.

They are all compounds.

They are all liquids.

Periodic table

Chemical chart

Elemental grid

Atomic map

The number of protons in an atom

The number of neutrons in an atom

The number of electrons in an atom

The number of isotopes of an element

More elements have been discovered since Mendeleev’s time

Elements have been removed from the table

The table is now arranged by color

The table is now arranged by mass

Helium

Hydrogen

Hafnium

Holmium

Their position in the table only

Their physical and chemical properties

Their atomic number only

Their color in the table

Because atomic number increases by one for each element

Because atomic mass increases by one for each element

Because each period starts a new row

Because elements are arranged by alphabetical order

Moscovium, symbol Mc

Nihonium, symbol Nh

Oganesson, symbol Og

Tennessine, symbol Ts

The name and symbol might be influenced by the place of discovery, the researchers involved, or significant cultural or scientific contributions, as seen with Nihonium (Japan), Moscovium (Moscow), Tennessine (Tennessee), and Oganesson (Yuri Oganessian).

The name and symbol must always be based on the element’s color.

The name and symbol are chosen randomly without any significance.

The name and symbol are always based on the element’s melting point.

4

2

6

8