What is the electronegativity of lithium from the “Electronegativity Values”?

Which of these would be caused by a chemical change? a) the formation of lava. b) sedimantary rock layering over time. c) metamorphic rock forming from igneous. d) metamorphic rock eroding to form sedimentary rock.

If a polyatomic ionic compound has gained two hydrogen ions, then how does its name begin?

Which statement best explains the relationship between an area is geography and the temperature of its surface water