Answer:
Lithium (Li)
Explanation:
Lithium has an atomic number of 3
First one false second one true
The correct answer is 2. Magnetic fields must start at the north pole of a magnet and end at the south pole of a magnet. I took the test. Hope I helped!
Answer:
Explanation:
cold and hot are temperatures
Hv= heat of vapourization of water= 2260J/g
heat=2260*35
=79100 J
