IONIC Bonding and Oxidation Numbers

What element's don't have oxidation numbers (because they are already stable)?

• alkali metals

• noble gases

• halogens

• alkaline earth metals

The sum of all oxidation numbers in a neutral compound is ___.

• 0
• 1
• -1
• depends on the compound

What is the oxidation number for Flourine (F)?

• +1 
• -1
• 17
• 7

Tags

NGSS.HS-PS1-1

Atoms that gain electrons become...

• negatively charged
• positively charged
• remain neutrally charged
• 21

Atoms that lose electrons become...

• negatively charged
• postively charged
• remain neutral, no charge
• losers

Which of the following elements does NOT have an oxidation number of +2?

• Ca
• Sr
• K
• Ba

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

What is the oxidation number for Be? 

• +1
• +2
• +3
• +4

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Which type of bond transfers electrons?

• Covalent bond
• Ionic bond

What bond is formed between a metal and a nonmetal?

• Covalent bond
• Ionic bond

Why don't Noble gases ( group 18) normally form chemical bonds?

• They have 2 valence electrons
• they have full outermost energy levels
• they have empty outer levels
• they have 8 protons.

Tags

NGSS.HS-PS1-1