Periodic table and element review

These are the reason for chemical changes due to the loss, gain or sharing of electrons.

• The protons

• The neutrons

• The valence electrons

• The inner shell Electrons

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NGSS.HS-PS1-1

NGSS.HS-PS1-2

Every element in a group has the same number of _______________.

• Valence electrons

• Protons

• Neutrons

• Electrons

How many valence electrons are in group 13?

• 13

• 2

• 6

• 3

How many valence electrons are in alkaline earth metals?

• 1
• 3
• 2
• 4

Tags

NGSS.MS-PS1-1

Which group has 7 valence electrons in its outermost energy level?

• Group 1 (Alkali Metals)
• Group 2 (Alkaline Earth Metals)
• Group 17 (Halogens)
• Group 16 (Chalcogens)

Which group has only 1 Valence electron in its outermost energy level?

• Transition Metals (Groups 3-12)
• Alkali Metals (Group 1)
• Alkaline Earth Metals (Group 2)
• Noble Gases (Group 18)

How many valence electrons are in the elements of group 18 (except He)?

• 8
• 4
• 10
• 6

Tags

NGSS.MS-PS1-1

Which of these would produce an ionic bond?

• K & Mg

• Cl & F

• Fe & K

• K & F

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NGSS.MS-PS1-1

NGSS.MS-PS1-2

NGSS.MS-PS1-5

How many electrons should Nitrogen have around its Lewis dot model?

• 1
• 3
• 4
• 5

Tags

NGSS.MS-PS1-1

How many electrons should Flourine have around its Lewis dot model?

• 5
• 6
• 7
• 8

Tags

NGSS.HS-PS1-1