Au is the symbol for gold. It comes from Latin word for gold, which is Aurunum. Its atomic number is 79.
All of the above. If you are going to narrow it down, it would be high voltage and radioactivity.
Answer: so the answer is A
Explanation: The relationship between an object's mass (m), its acceleration (a), and the applied force (f) is F=ma. ... This law requires that the direction of the acceleration vector is in the same direction as the force vectors.