Explanation:
high energy to Low energy
=the electron gains energy (K.E)
Answer: Fe
Explanation: Fe (Iron) is the only element since it involves only 1 atom. The other options are compounds, since there are more than 2 atoms bonded together.
Answers:
Question 1) d. 4 moles
question 2) a. single displacement reaction
question 3) c. 2N2H4 + N2O4 ==>3N2+4H2O
question 4) a. 40 ml alcohol in 100 ml water
It a atom man by Bohr who made a model yea.
A geometric arrangement of the points in space at which the atoms, molecules, or ions of acrystal occur. Also called <span>space lattice</span><span>. Hope this helps</span>