Valence Electrons

What is the maximum number of valence electrons an atom can have?

• 2

• 4

• 8

• 6

Which group in the periodic table contains elements with 8 valence electrons?

• Group 18

• Group 13

• Group 7

• Group 1

Which group in the periodic table contains elements with 2 valence electrons?

• fourth

• second

• first

• third

What group does this element belong to?

• Group 1: Alkali metals
• Group 18: Noble Gases
• Group 2: Alkaline-Earth Metals
• Group 17: Halogens

Tags

NGSS.MS-PS1-1

How many valence electrons?

• 2
• 3
• 5
• 10

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NGSS.MS-PS1-1

On the periodic table, Groups are

• horizontal rows of elements with the same number of energy levels

• Vertical columns of elements with the same number of valence electrons

The innermost energy level of an atom has a maximum of how many electrons?

• 1

• 2

• 8

• 18

Noble gases have _____ valence electrons shells.

• empty
• partially full
• full

Tags

NGSS.HS-PS1-1

Halogens lack _____ valence electrons to make a full shell.

• one
• two
• three

What are valence electrons?

• Electrons in the nucleus of an atom

• Electrons in the outermost shell of an atom involved in chemical bonding

• Electrons in the middle shell of an atom

• Electrons in the innermost shell of an atom

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2