Answer:
The metalloids; boron (B), silicon (Si), germanium (Ge), arsenic (As), antimony (Sb), tellurium (Te), polonium (Po) and astatine (At) are the elements found along the step like line between metals and non-metals of the periodic table.
Elements: Germanium; Boron; Arsenic
Explanation:
A) 0 because Fe is uncharged
b) 0 because O in O2 is uncharged as well
c) +3 because each Fe atom lost 3 electrons
d) -2 because each oxygen aim gained 2 elections
Answer:
thermal
Explanation:
thermal energy relates to heat and temperatures
I think it would lose energy
Explanation:
Atomic number of chromium is 24 and electronic configuration of
is as follows.
: 
Atomic number of copper is 29 and electronic configuration of
is as follows.
:
Atomic number of cobalt is 27 and electronic configuration of
is as follows.
: