Це явище при якому відбувається хімічна реакція
CaCO3+2HNO3=Ca(NO3)2+CO2+H2O
4
Полная
форма:
<span><em>Al</em>(<em>O</em><em>H</em>)3 + <em>Na</em>+ + <em>O</em><em>H</em>− = <em>Na</em>+ + [<em>Al</em>(<em>O</em><em>H</em>)4]−</span>
<span>5
</span>
<em>Al</em>
(<em>O</em><em>H</em>)3
(тверд.) + <em>H</em>2<em>O</em> =
[<em>Al</em>(<em>H</em>2<em>O</em>)2(<em>O</em><em>H</em>)4]− + <em>H</em>3<em>O</em>+
<u>3</u><em>H</em>2<em>S</em><em>O</em>4 + <u>2</u><em>Al</em>
(<em>O</em><em>H</em>)3 + <em>Na</em>2<em>S</em><em>O</em>4 = <u>2</u><em>Na</em><em>Al</em>
(<em>S</em><em>O</em>4)2 + <u>6</u><em>H</em>2<em>O</em>
<span>
</span>
<span>фосфор <span>1s</span></span>² <span><span>2s</span></span>²<span><span> 2p</span></span>⁶<span><span> 3s</span></span>²<span><span> 3p</span></span>³<span><span><span>
</span></span></span><span>фтор <span>1s</span></span>² <span><span>2s</span></span>² <span><span>2p</span></span>⁵<span><span><span>
</span></span></span><span>аргон <span>1s</span></span>²<span><span> 2s</span></span>²<span><span> 2p</span></span>⁶<span><span> 3s</span></span>²<span><span> 3p</span></span>⁶<span><span><span>
</span></span></span><span>алюминий <span>1s</span></span>²<span><span> 2s</span></span>²<span><span> 2p</span></span>⁶<span><span> 3s</span></span>²<span><span> 3p</span></span>¹<span><span><span>
</span></span></span><span>сера <span>1s</span></span>²<span><span> 2s</span></span>²<span><span> 2p</span></span>⁶<span><span> 3s</span></span>²<span><span> 3p</span></span>⁴<span><span><span>
</span></span></span><span>калий <span>1s</span></span>²<span><span> 2s</span></span>²<span><span> 2p</span></span>⁶<span><span> 3s</span></span>²<span><span> 3p</span></span>⁶ <span><span>4s</span></span>¹
Ответ:г)
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