3 years ago

Is "dissolving in water" a chemical change or a physical change?

2 answers:

8 0

Answer:

In fact this should be considered more of a continuum. For example salt dissolving in water is usually considered to be a physical change, however the chemical species in salt solution (hydrated sodium and chlorine ions) are different from the species in solid salt.

Explanation:

Hope this helps! Brainly me <3

JulijaS [17]3 years ago

3 0

A physical Change

Explanation:

BECAUSE the dissolving material can solidify after a while

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Anettt [7]

Answers:

See attached table

Explanation:

The isotope symbol will have the mass number and chemical symbol. The atomic number will be equal to the number of protons because the atomic number is the number of protons in an atom. The electrons will be equal to the protons because the atom is neutral. The neutrons can be found by subtracting the number of protons from the mass number. The mass number can be found by adding the protons and neutrons. It is also in the name of the isotope.