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Which has a greater electron affinity fluorine or bromine?
Fluorine has greater electron affinity than bromine, or any other element.
Is KBr expected to be ionic or molecular?
KBr (Potassium Bromide) is a ionic compound because a metal (potassium) is bonded to a nonmetal (bromine)
What element is in group 1a and higher atomic number than chlorine but lower number than bromine?
Potassium
What is the element KBr?
The chemical formula KBr is an ionic compound (made from a metal and a non-metal). K represents the metal potassium, and Br represents bromine (a non-metal halogen). The proper chemical name is potassium bromide.
Why does bromine have a lower melting point than potassium chloride?
Bromine is a molecular compound Br2 and the intermolecular forces are london dispersion forces. Potassium chloride is an ionic compound forming a lattice with strong electrostatic forces holding the lattice together. Less thermal energy is required to shake solid Br2 apart than that required for KCl
What is the equation of potassium bromide with aqueous iodine?
KBr + I2(aq) --> KBr + I2(aq) It does not react because bromine is more electronegative and reactive than iodine.
Why can't iodine be used to displace bromine from sodium bromide?
Iodine is lower in the halogen displacement series than bromine, i.e., iodine is less electronegative than bromine. However both chlorine and fluorine can displace bromine in sodium bromide, as they are more electronegative.
Why bromine does not react with aqueous potassium chloride?
Chlorine is more reactive than bromine thus bromine is unable to displace chlorine to form potassium bromide.
Why chlorine displaces bromine from potassium bromide?
Chlorine is a stronger oxidizing agent than bromine.
Which has a greater electron affinity fluorine or bromine?
Fluorine has greater electron affinity than bromine, or any other element.
Is KBr expected to be ionic or molecular?
KBr (Potassium Bromide) is a ionic compound because a metal (potassium) is bonded to a nonmetal (bromine)
Why does potassium have a larger atomic radius than bromine?
When looking at potassium and bromine, it would seem that with more electrons occupying more orbitals, bromine would be larger. However, in addition to those additional electrons, bromine also has additional protons. These protons in the nucleus pull on all of bromine's electrons with more strength than the nucleus of potassium, and the stronger pull offsets any size gained by adding electrons. In short, bromine's nucleus pulls harder.
What is the color change between aqueous bromine and sodium chloride?
There will be no colour change between the two, as chlorine is more electronegative than bromine and will maintain its negative charge, meaning that the bromine will not react and the orange colour persists.
Which is more reactive bromine or iodine?
It is because bromine is smaller in size than iodine and hence easily reacts. Another reason is that bromine is the more electronegative than iodine and hence it attracts the electrons very easily from other atoms to form bonds.
Does potassium have a higher atomic number than chlorine and a lower atomic number than bromine?
yes
What alkaline earth metal has fewer protons than bromine but more protons than sulfur?
potassium
What element is in group 1a and higher atomic number than chlorine but lower number than bromine?
Potassium
