Classification of the Elements

Which group of the periodic table is composed of inert (not reactive)  gases?

• alkali metals

• alkaline earth metals

• halogens

• noble gases

The number at the top of each square on the periodic table is the ...

• atomic number

• atomic mass

• Chemical Symbol

• Element Name

Tags

NGSS.MS-PS1-1

If you have a material that can conduct electricity well it is probably a...

• Metalloid

• Matter

• Non-metal

• Metal

________ are the COLUMNS on the periodic table and are organized by similar properties.

• Classifications

• Groups

• Periods

• Elements

Fluorine, chlorine, bromine, and iodine are part of a family called

• metalloids.

• noble gases.

• alkali metals.

• halogens.

Which is an alkali metal?

• Magnesium

• Iron

• Sodium

• Europium

Silicon is a semiconductor and has properties of both metals and nonmetals. What type of element is Silicon?

• Metal

• Nonmetal

• Metalloid

• Pretty

a unique number for each element that equals the number of protons in an atom of that element

• element name

• element symbol

• atomic number

• atomic mass

a grouping of elements based on similar properties, arranged by columns in the periodic table; also known as a group

• family

• period

• row

• isotope

The Modern Periodic Table of Elements is arranged by

• atomic mass

• atomic number

• valence electrons

• number of isotopes