The Periodic Table of Elements Review

What does the atomic number tell us?

• number of electrons

• number of protons

• number of neutrons

• both protons and electrons in an atom.

The group/family in the periodic table that contains the most reactive metals is the _____.

• Alkaline Earth Metals

• Transition Metals

• Alkali Metals

• Other Metals

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

• alkali metals

• alkaline earth metals

• halogens

• noble gases

What is the atomic number of the element pictured?

• 28

• 58.6934

• Ni

• Nickel

Tags

NGSS.MS-PS1-1

Elements that are shiny and are good conductors of heat and electricity are called _____.

• metals

• nonmetals

• metalloids

• nonexistent

What does the H stand for?

• Hydrogen

• atomic number

• atomic mass

• atomic explosion

Tags

NGSS.MS-PS1-1

What does the 1.00794 stand for?

• Hydrogen
• atomic number
• atomic mass
• atomic explosion

The elements in yellow are called _____.

• metals

• nonmetals

• metalloids

• noble gases

The elements in blue are called _____.

• metals

• nonmetals

• metalloids

• noble gases

The elements along the zigzag line are called _____.

• metals

• nonmetals

• metalloids

• noble gases