During which changes of state do atoms that cannot move past one another become free to move? vaporization and sublimation boiling and deposition sublimation and melting condensation and melting

Metals are very good conductors of electricity, while nonmetals are not. What does this say about the metalloids? A. They are more like nonmetals and similarly cannot conduct electricity well. B.

Which of the following hybrid atomic orbitals would you consider most useful for approximating a molecular orbital scheme around the N in NH3? Select one: a. sp2 b. 2s and 2p c. sp3 d. sp

A compoundwhose water solution conducts electricity and turns phenolphthalein pink is? A. CH3OH B. HC2H3O2 C. HCl D. NaOH

Why doesn't light get absorbed

What has the greatest mass? a. a speck of dust b. a boulder c. a mountain d. a pebble

Most metals are solid at room temperature, malleable, ductile, good conductors of heat and electricity, and react in acids to produce hydrogen gas. which of the properties mentioned is a chemical property? a. are malleable b. reacts with acids c.

Silver tarnishes when it comes into contact with hydrogen sulfide in the air. physical property or chemical property

When a volcanic irruption adds new rock to existing land and forms new islands is it considered destructive?

How many neutrons are in Cesium-130 (Cs) ? 55 75 130 185

An atom in a pure metal that's face-centered cubic has ___ neighbor atoms.