Atoms, Bonding & The Periodic Table

An atoms ______ ______ are those electrons that have the highest energy levels and held most loosely.

(a)  

What does the number of valence electrons in an atom determine?

Answer explanation

The valenece electrons detemines many properties of that element including how it bonds with other atoms

Tags

NGSS.HS-PS1-2

NGSS.HS-PS1-1

Each element has a specific number of valence electrons ranging from

• 1-8

• 1-6

• 1-4

• 1-10

Tags

NGSS.HS-PS1-2

NGSS.HS-PS1-1

Draw an electron dot diagram for an element

Tags

NGSS.MS-PS1-1

Atoms of most elements are more stable when they have eight valence electrons

• false

• true

What can occur between electrons when atoms bond together?

Answer explanation

When atoms bond, electrons may be transferred from on atom to another or they may be shared between atoms.

Tags

NGSS.HS-PS1-2

Draw the elctron dot diagram for Strontium (Sr)

Elements within a group or column, always have the same number of valence electrons.

• true

• false

Why do elements within a group have similar properties?

Answer explanation

They all have the same number of valence electrons in their atoms.

Group 18, the Noble Gases have how many valence electrons?

• 7

• 8

• 6

• 9