Types of Bonds
The type of bond formed when electrons are shared between two nonmetal atoms.
What is a covalent bond?
The formula for aluminum oxide.
What is Al2O3?
The phase change where a solid changes directly into a gas.
What is sublimation?
This property makes water an excellent solvent.
What is its polar nature?
A property of metals that allows them to conduct electricity well.
What is high electrical conductivity?
The type of bond involving a sea of electrons around metal atoms.
What is a metallic bond?
Among H₂O, NaCl, CH₄, and CO₂, this compound has an ionic bond.
What is NaCl?
Compounds with high melting points and that conduct electricity when molten.
What are ionic compounds?
This happens to solution concentration when more solvent is added.
What is: It decreases?
A common physical property of nonmetals.
What is brittleness?
The type of bond involving a complete transfer of electrons from one atom to another.
What is an ionic bond?
The formula that represents calcium phosphate.
What is Ca₃(PO₄)₂?
Ionic compounds are generally this at STP.
What is a solid?
This happens when a solute is no longer dissolved and becomes a solid.
What is: It precipitates out?
Metals typically do this when bonding.
What is: They form positive ions?
This type of bond would form between potassium and fluorine.
What is an ionic bond?
The correct name for the compound Fe₂O₃.
What is Iron(III) oxide?
What particles do when they gain energy during a phase change.
What is: They move farther apart?
Among N₂, KBr, CaF₂, and NaI, this is a molecular compound.
What is N₂?
The main distinction between ionic and molecular compounds.
What is: Ionic compounds involve metals and nonmetals; molecular compounds involve only nonmetals?
Diamonds have this type of extremely strong, rigid bonding structure.
What is a covalent network bond?
The charge on magnesium in the compound MgCl₂.
What is +2?
This phase change absorbs energy from the surroundings.
What is melting (or vaporization or sublimation))
The compound among H₂O, NaCl, CH₄, and CO₂ with the highest melting point.
What is NaCl?
This property makes metals easy to shape and stretch.
What is malleable and/or ductile?