An abandoned indiana coal mine spoil bank (wastes) contains chunks of pyrite minerals. under constant erosion and weathering, the pyrites leach large amounts of sulfuric acid (h2so4). the spoil banks are also mixed with large quantities of basic limestone and clay carbonates. what should occur over time?

Astudent made the lewis dot diagram of a compound shown. what is the error in the lewis dot diagram? a)an o atom should transfer all of its six electrons to mg because the formula is mgo b) both electrons of mg should be transferred to one o adam because the formula is mgo c) the electrons should be transferred from each o add him to capital mg because mg has fewer electrons d) the number of dots around mg should be four because it has to transfer two electrons to each o

The diagram below shows the different phase transitions that occur in matter. which arrow represents the transition in which dew is formed?

The number of neutrons is equal to the atomic number minus the atomic mass. a. true b. false