Which statement correctly compares an atom of an alkali metal with an atom of the alkaline earth metal next to it on the periodic table?

Layers of rock containing fossils, like the layers illustrated here, are most likely composed of rocks.

Which type of bonding involves the complete transfer of a valence electron from a less electrogrative atom to a more electronegative one

Apiece of copper has a temperature of 75.6 0c. when the metal is placed in 100.0 grams of water at 19.1 0c, the temperature rises by 5.5 0c. what is the mass of the metal?