Chemical Bonds- honors

How are covalent bonds formed?

• Sharing of electrons
• Transfer of electrons

Why do elements bond?

• To be friends
• To create a new element
• To become stable

What happens when two negatively charged ions are pushed together?

• they will repel (move apart)

• they will be attracted to each other (move together)

Tags

NGSS.HS-PS1-3

NGSS.HS-PS2-4

What happens when two oppositely charged ions are pushed together?

• they will repel (move apart)

• they will be attracted to each other (move together)

Tags

NGSS.HS-PS1-2

NGSS.HS-PS2-4

NGSS.HS-PS3-5

Ionic bonds are between...

• Metal and Non-metal
• Non-metal and Non-metal
• Metal and Metal

Tags

NGSS.HS-PS1-2

The attraction of the free-floating valence electrons for the positively charged metal ions.

• Coordination number

• Alloy

• Malleability

• Metallic bond

Identify the phrases that generally apply to molecular compounds,

• a. Contain metals and non metals

• b. Are often solids

• c. Have high melting points

• d. Contain ionic bonds

• e. Use covalent bonds

Which of the following is true about ionic bonding?

• It is mostly formed between elements from groups IA, IIA, IIIA and a nonmetal.

• Lithium Fluoride is formed by ionic bonding

• Electrons are donated from one element to another

• All of the above

• None of the above

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

Tags

NGSS.HS-PS1-2

What is ionization energy?

• Energy needed to destroy an atom
• Energy required to remove an electron
• Energy needed to split an electron
• Energy required to add an electron

Tags

NGSS.HS-PS1-2

NGSS.HS-PS1-1