Answer:
Carbon
Carbon atoms have 6 protons.
Answer:
H2SO4 + Cu(OH)2 ---> CuSO4+ 2H2O
Answer:
those are all physical changes and most physical changes can be undone like crushing a pice of metal you can flatten it back out you anwser is physical change
Explanation:
It is c: a conductor that operates only at low temperatures
Answer:
A
Explanation:
It is formed after the star has ended its star cycle into a supernova. The star collapsed into a neutron star that is smaller than the progenitor star but has inherited angular momentum. IT, therefore, spins faster emitting electromagnetic radiation that seems to pulsate.