Chem_5ed Ch 7 Review

What type of bond would you expect in a compound of oxygen and sodium

• ionic

• metallic

• covalent

• polar covalent

which of the following does not exist as a diatomic molecule?

• argon

• hydrogen

• chlorine

• oxygen

the electron-sea theory accounts for all of the following characteristics of metals except

• luster

• conductivity

• brittleness

• ductility

an orderly arrangement of ions in a three-dimensional pattern within a compound is call a(n)

• formula unit

• ion array

• crystal lattice

• ionic network

which of the following is not a normal property of ionic compounds?

• high melting point

• good heat conductivity

• crystals easily split or cleaved

• good electrical conductivity when dissolved in water

Which of the following values  $\Delta EN$ would represent a bond that is mostly ionic? 

• 0.8
  

• 1.1
  

• 2.0

• 3.2

the symbols  $\delta^-\ \&\ \delta^+$  indicate which of the following?

• electronegativity

• electrostatic force

• change

• partial charge (influences polarity)

Tags

NGSS.HS-PS2-4

An atom becomes more stable by bonding with another atom if the resulting electron configuration is more like that of what group of elements

• alkali metals

• noble gases

• halogens

• metalloids

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

the measure of an atom's ability to attract electrons to itself in a chemical bond is called

• electron affinity

• polarity

• electronegativity

• ionization energy

the luster or shine seen on most metals is thought to be caused by the movement of

• electrons

• ions

• protons

• neutrons

Tags

NGSS.HS-PS1-1