Answer: B.The atoms ⚛️ in Damien’s candy are vibrating faster ❣️ Yur Welcome
Answer:
The individual components of a mixture can be physically separated from each other. Chemical compounds are very different from mixtures: The elements in a chemical compound can only be separated by destroying the compound.
Atomic number
26
Atomic mass
55.85 g.mol<span> -1</span>
Electronegativity according to Pauling
1.8
Density
7.8 g.cm-3 at 20°C
Melting point
1536 °C
Boiling point
2861 °C
<span>Vanderwaalsradius </span>
0.126 nm
Ionic radius
0.076 nm (+2) ; 0.064 nm (+3)
Isotopes
8
<span>Electronic shell </span>
[ Ar ] 3d6 4s2
Energy of first ionisation
761 kJ.mol<span> -1</span>
Energy of second ionisation
1556.5 kJ.mol<span> -1</span>
Energy of third ionisation
2951 kJ.mol<span> -1</span>
Standard potential
- o.44 V (Fe2+/ Fe ) ; 0.77 V ( Fe3+/ Fe2+ )
Discovered by
The ancients
<span>
Read more: <span>http://www.lenntech.com/periodic/elements/fe.htm#ixzz4a5WaFZtx</span></span>
Se: Selenium
Protons: 34
Electrons: All atoms in the periodic table are neutral until changed otherwise
Neutrons: 44
Atomic Mass: 78.09
>Symbol attached<