Answer:
option B is a right answer
Explanation:
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I don't know your options but maybe this bit of information will help, the boiling point of water is 212<span>°</span>F so at that temperature it will likely just start evaporating
First, we write the reaction equation:
NiCO₃ + 2HBr → NiBr₂ + H₂CO₃
Now, writing this in ionic form:
NiCO₃ + 2H⁺ + 2Br⁻ → NiBr₂ + 2H⁺ + CO₃⁻²
(NiCO₃ is insoluble so it does not dissociate in to ions very readily)
Overall equation:
NiCO₃ + 2Br⁻ → NiBr₂ + CO₃⁻²
<em>Answer:</em>
- It behaves as the electron donar. Its is correct one
<em>Definition of lewis base:</em>
- Lewis base is a such a substance which donate pair of electron to Lewis acid.
<em>Example:</em>
H3N + BF3 ⇒ H3N---≥BF3
- Ammonia is a lewis base while boron trifluride is lewis acid.
<em>Condition</em>
- There should be lone pair of electron
- Negative charged substances or anions
Answer:
Electrons- 95
Protons- 95
Neutrons-146
Explanation:
An atoms is made up of three fundamental particles; electrons, protons and neutrons,
Americium belongs to the f block in the periodic table. It is an actinide element.
An atom of Am-241 contains 95 protons, 95 electrons and 146 neutrons.
