Identify the particles of an atom. positively charged, electron, proton, neutron, and negatively charged.

What is the concentration of hydroxide ions in pure water at 30.0c, of kw at this temperature is 1.47 x 10-14?

Which volume measurement is expressed in four significant figures? A) 5.50 ml B) 550. ml C) 5,500 ml D) 5,500. ml

Does magnesium react to water?

Which term labels a solution A. a graduated substance B. a homogeneous mixture C. a heterogeneous mixture D. a primary make sure of elements

What do members of the same group have in common?

How are chemical methods of determining salinity dependent on the principle of constant proportions?

What does oxidation mean

Which is the correctly balanced chemical equation for the reaction of KOH and H2SO4?

Disintegration is the word geologists use for A. when a rock becomes moist. B. when rock is physically broken into smaller pieces. C. when rock is chemically broken into smaller pieces. D. when rock undergoes a rather large chemical change.

There us no sound in the vacuum of space Why? Answer all that are correct A) sound must travel through something that vibrates B) there is no energy in space C) there is no air to vibrate in the human eardrum