Front

What do all elements in the same group of the periodic table have in common?

Back

They have the same number of valence electrons.

Front

What is a Bohr Model?

Back

A simple diagram that shows the atomic structure of an atom.

Tags

NGSS.MS-PS1-1

Front

Which group of elements are the most reactive metals?

Back

Group 1.

Front

Which group of elements has one valence electron?

Back

Group 1.

Front

What are metals?

Back

Elements that are shiny, silvery solids and good conductors of heat and electricity.

Front

What is the periodic table?

Back

A tabular arrangement of elements organized by increasing atomic number.

Front

What are valence electrons?

Back

Electrons in the outermost shell of an atom that determine its chemical properties.

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Front

What is the significance of group numbers in the periodic table?

Back

Group numbers indicate the number of valence electrons in the elements of that group.

Front

What are nonmetals?

Back

Elements that are typically poor conductors of heat and electricity and have varied physical properties.

Front

What are metalloids?

Back

Elements that have properties of both metals and nonmetals.