<span>Which of the following is an electronic device that measures pH?
</span><span>a. a pH meter</span>
Galileo disproved the Ptolemaic theory, sanctioned for centuries by the Church, which held the Earth to be the central and principal object in the universe, about which all celestial objects orbited.
Answer:
Percent composition by element
Element Symbol Atomic Mass
Antimony Sb 121.760
Explanation:
Answer:
2 elements magnesium(Mg) and chlorine (Cl)
