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Alinara [238K]
3 years ago
7

In caves, dripping groundwater containing calcium bicarbonate can form stalactites and stalagmites. When the water is exposed to

air, some of the calcium bicarbonate turns into calcium carbonate, which gets deposited on the ground. What makes this process a chemical change?
Chemistry
1 answer:
Ksivusya [100]3 years ago
5 0
The answer is A, a new chemical substance has to be formed for there to be a chemical change. This is because chemical change happens when a phase of matter changes due to chemicals.
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An ionic isotope has 49 protons, 50 electrons, and 55 neutrons.
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We have that

  • The Element with 49 protons is Indium

the isotope symbol in the one-line format

  • indium -104
  • We have that this is a cation

From the question we are told

An ionic isotope has 49 protons, 50 electrons, and 55 neutrons.

• What is the name of the element?

What is the isotope symbol in the one-line format (e.g., hydrogen-2)?

Is this a cation or is this an anion? Explain how you know.

Generally

Generally an isotope is an a variant form of a element bearing different number of Neutrons but same Proton

Therefore

For an isotope with 49 protons, 50 electrons, and 55 neutrons.

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the isotope symbol in the one-line format

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  • We have that this is a cation

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