Chapter 5: Chemical Bond

The diagram above gives information on elements X and Y.

Which of the following is the electron arrangement of the compound formed when element X and Y react?

• 
• 
• 
• 

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NGSS.HS-PS1-2

NGSS.HS-PS1-1

Which molecule contains a triple covalent bond between its atoms?

• N₂
• O₂
• F₂
• H₂

Ionic bonds are between...

• nonmetals and nonmetals
• carbon and oxygen
• metals and nonmentals
• hydrogen and chlorine

If an atom loses two electrons what charge will it have?

• -2
• -1
• +1
• +2

Tags

NGSS.HS-PS1-1

Predict the bond that will form between Be and F.

• Ionic
• Covalent

Tags

NGSS.HS-PS1-2

NGSS.HS-PS1-1

Predict the bond that will form between Se and Cl.

• Ionic
• Covalent

Tags

NGSS.HS-PS1-2

NGSS.HS-PS1-1

Which of the following describes covalent bonds?

• Bonds form because of opposite charges

• electrons are shared to fill outer electron shells

• Electrons are transferred between atoms

• Covalent bonds are magical

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NGSS.HS-PS1-2

What is the basis of a metallic bond?

• the attraction of neutral metal atoms.
• the attraction between protons and neutrons.
• the attraction between positive metal ions and interlocking electrons.
• the attraction between positive metal ions and free floating electrons.

Electrons that are free to move in metals

• delocalized electrons
• oxidation number
• chemical bond
• salts

Tags

NGSS.HS-PS1-3

Ammonium ion (NH₄⁺) is an example for

• Covalent compound

• Coordinate compound

• Ionic compound

• Metallic compound