Atoms, Bonding & The Periodic Table

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

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

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Answer explanation

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

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Each element has a specific number of valence electrons ranging from

• 1-8

• 1-6

• 1-4

• 1-10

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

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?

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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?

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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