SCIENCE YK

who is Dmitri Mendeleev?

• An Italian Chemist who created the periodic table

• A Russian Chemist who created the periodic table

• An Italian Scientist who created the Periodic Table

• A Russian Scientist who created the periodic table

Answer explanation

- he made element cards with info about each element

- he purposefully left gaps in the Periodic table for future elements

- he predicted the existance and physical properties of the missing elements

The First Chemist to Discover the Element had the right to

what is an amu

• atomic number

• haniahs smart ;)

• atomic mass unit

• atomic midget unit

mass of protons + mass of

ion charge

• the charge an atom becomes after it has given or taken electrons

• the charge an atom becomes after it has given or taken neutrons

• the charge an atom becomes after it has shared neutrons

whats the difference between noble gases and alkali metals

• alkali metals are extremely reactive, while noble gases aren't at all

• noble gases are extremely reactive, while alkali metals aren't at all

Name ONE type of metal, ONE non-metal, and ONE metalloid

How did the Periodic Table get its name?

Name ONE difference between ionic and molecular compound

What is a Compound?

• A compound

  (2 or less elements)

• A compound

  (2 or more elements)

• A group of 2 or more atoms