Answer:
C
Explanation:
It afffects changes in pressure and temperature not melting and boiling points
Answer:
last one
Explanation:
The elements classified as metalloids are boron, silicon, germanium, arsenic, antimony, tellurium, and polonium.
Calcite can be either dissolved by groundwater or precipitated by groundwater, depending on several factors including the water temperature, pH, and dissolved ion concentrations. Although calcite is fairly insoluble in cold water, acidity can cause dissolution of calcite and release of carbon dioxide gas.
<span>pb(no3)2 + 2 nacl → pbcl2 + 2nano3</span>
Answer:
B. Two electrons
Explanation:
Since the S orbital is closest to the nucleus and it only has one orbital, it can only hold 2 electrons
