Answer:
KBr, FeF3
Explanation:
Potassium ion (K+) + bromide ion (Br-) make the ionic compound KBr
Iron (III) ion (Fe3+) + 3 fluoride ions (F-) make the ionic compound FeF3
NH3 has covalent bonds so it isn't ionic
Mg12 is an elemental compound
Question 1
Fe(III) forms a chelate complex with salicylic acid which has purple color. therefore, when a solution is made either with salicylic acid or with aspirin having trae amount of salicylic acid in it, we see color formation in solution due to the resulting complex formed.
Question 2
The Fe(III) itself absorbs some light and gives an absorbance value for the solution. Therefore, it is necessary to blank the spectrophotometer with a Fe(III) solution prior to measurement of test solutions.
F - Fluorine
Explanation:
Fluorine is the atom that is most able to attract electrons to itself among the choices. The ability of an atom to attract electron to itself is called electronegativity.
- Electronegativity is a measure of the relative tendency with which atoms of an element attracts valence electrons in a chemical bond.
- Fluorine is the most electronegative element on the periodic table.
- According to Pauling's table on electronegativities of elements, it has a value of 4.0.
- This is the highest on the periodic table of elements.
Learn more:
Electronegativity brainly.com/question/7007192
#learnwithBrainly
the answer is Cl2Mn . The 2 is below .
Answer:
hexane C6H14
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Explanation:
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