Answer:
Bonds between atoms are broken/ or new bonds are formed
Explanation:
Due to chemical changes.
Answer:
Yes Calcium is more reactive than Lead.
Explanation:
He improved and followed from the works of Luigi Galvani, which used a 'frog galvanoscope' as a prototype of measuring current. He recognized that a compass could actually measure current, given that it is placed near coil of wire.
Answer:
Salt
Explanation:
Because Na is sodium which is salt
solution:
Calculate the molar concentration of the polycyclic aromatic hydrocarbon(PHA)(178.23g/mol),that was found in a well water sample at a concentration of 6.21ppb.Assume the density of the water is 1.00mg/mL
