Unit 05 Extra Credit (bonding)

A bond that forms between ions of opposite charge?

• ionic

• covalent

• metallic

• oppositional

Tags

NGSS.HS-PS1-3

Which of the following VSEPR shapes has at least one lone pair on the central atom?

• linear

• tetrahedral

• trigonal planar

• trigonal pyramidal

the prefix tetra means...

• 4

• 3

• 5

• 2

Why do metals conduct electricity extremely well?

• the electrons move freely within the metal

• the electrons are held tightly by the atoms

• metallic bonds lose protons

• metallic bonds are held in a lattice structure

Tags

NGSS.HS-PS1-3

NGSS.HS-PS2-6

What is the shape of CO₂

• bent

• linear

• trigonal planar

• tetrahedral

What is the shape of CH₄

• tetrahedral

• trigonal planar

• trigonal pyramidal

• bent

If the intermolecular forces are strong between molecules, how does this effect movement of the particles?

• strong forces=orderly positions

• strong forces=more movement

• strong forces squish the particles together

Tags

NGSS.HS-PS3-2

Which element would most likely form a covalent bond with Cl?

• zinc

• sodium

• sulfur

• xenon

Which of the following is considered an ionic bond, more than one answer should be chosen.

• NaF

• BaO

• OH

• PCl

Tags

NGSS.HS-PS1-3

Which bonds are alloys considered?

• metallic

• covalent

• ionic

• hydrogen