Elements Families

An element's outer-most electrons are called _________________.

• neutral electrons
• valence electrons
• quarks
• reactive electrons

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Which group of elements has the most reactive METALS?

• metalloids
• halogens
• alkali metals
• noble gases

Which group of elements has the most stable, nonreactive elements (will not bond with others)?

• metalloids
• halogens
• alkali metals
• noble gases

Which group of elements has the most reactive NONMETALS?

• metalloids
• halogens
• alkali metals
• noble gases

All elements in the same group have the same number of ___.

• protons
• neutrons
• atomic mass units
• valence electrons

Elements in the same ________ are more chemically similar.

• family
• period
• club
• table

In the modern periodic table elements are arranged by:

• atomic mass and state of matter
• atomic number and properties
• valence electrons and neutrons
• number of isotopes and color

Each ROW on the periodic table is called a _________.

• isotope
• family
• group
• period

Each COLUMN in the periodic table is called a _________________.

• period
• group
• cluster
• unit

The period for Bromine is ___________.

• 3
• 2
• 4