Molecular Forces

The Electron Sea Model explains why metals ---

• are excellent conductors

• are very reactive

• accept electrons readily

• form ionic compounds

Tags

NGSS.HS-PS1-3

Why do ionic compounds have high melting and boiling points?

• High energy needed to break the intermolecular force

• High energy needed to break the intramolecular forces

• Low energy to break the intramolecular forces

• Low energy needed to break the intermolecular forces

Tags

NGSS.HS-PS1-4

NGSS.HS-PS3-1

What type of attraction holds atoms together in ionic bonds?

• gravitational

• strong nuclear

• weak nuclear

• electrostatic

Tags

NGSS.HS-PS1-3

What property do ionic compounds have due to the electrostatic force between atoms?

• malleable

• brittle

• ductile

• flexible

Tags

NGSS.HS-PS1-3

What kind of structure do ionic compounds form due to overlapping of positive and negative ions?

• global lattice

• flat lattice

• clouded lattice

• crystal lattice

Tags

NGSS.HS-PS1-3

Which statement describes the arrangement of atoms within a metallic bond?

• cations move freely throughout, but valence electrons are fixed

• cations are fixed, but valence electrons move freely throughout

• both cations and valence electrons move freely throughout

• both cations and valence electrons are fixed

Tags

NGSS.HS-PS1-3

Which statement explains why metals are malleable?

• metals have loosely held delocalized electrons

• metals are hard and have high melting points

• metal lose electrons while bonding

• metals form covalent bonds

Tags

NGSS.HS-PS1-1