Answer:-
0.91% is the students % of error
Explanation: -
Accepted value= 12.11 grams
Measured value = 12.22 grams
Error = 12.22-12.11 = 0.11 grams
Percentage error = x100
= 0.91 %
Thus 0.91% is the students % of error
The density of iron is 7.87 g/cm3. The density of nickel is 8.91 g/cm3. A cube of each metal is placed into a cup of water. They
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Explanation: Electron dot structures are the lewis dot structures which represent the number of valence electrons around an atom in a molecule.
The electronic configuration of potassium is
Valence electrons of potassium are 1.
The electronic configuration of Bromine is
Valence electrons of bromine are 7.
These two elements form ionic compound.
Ionic compound is defined as the compound which is formed from the complete transfer of electrons from one element to another element.
Here, one electron is released by potassium which is accepted by bromine element. In this process, Potassium becomes cation having +1 charge and Bromine become anion having (-1) charge.
The ionic equation follows:
The electron dot structure is provided in the image below.
