Chapter 11 Test Review

Valence electrons are found

• in the innermost energy level of an atom

• in the middle energy levels of an atom

• in the outermost energy levels of an atom

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

How do covalent bonds form?

• By donating and receiving valence electrons between atoms.

• Scientists still aren't sure.

• Opposite slight charges attract each atom in the compound.

• Sharing valence electrons between atoms

Tags

NGSS.HS-PS1-1

When an atom loses an electron, it becomes a

• positive ion

• negative ion

• neutral ion

• neutral atom

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Covalent bonds are between...

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

Tags

NGSS.MS-PS1-1

How are covalent bonds formed?

• Sharing of electrons
• Transfer of electrons

Tags

NGSS.HS-PS1-1

Ionic bonds are between...

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

Tags

NGSS.HS-PS1-2

How are ionic bonds formed?

• Transfer of electrons
• Sharing of electrons

Why do elements bond?

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

What would you name this molecule?

• SNa₃

• H₃O

• NaCl

• H₂O

What is the charge of a sodium ion with 11 protons and 10 electrons?

• 1+
• 1-
• 2+
• 2-

Tags

NGSS.MS-PS1-1