Answer:
Water but with salt
Explanation:
You can’t see it but it’s there
Answer: the basic difference is Exergonic reactions release energy and an endergonic reactions absorb energy .
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Answer:
Fe is just the shortened version of Iron whereas Fe2+ is a positive ion,cation to be more specific
Kr look on periodic table it's krypton elements
Answer:
Matter is anything that has mass and takes up space. Matter can change form through physical and chemical changes, but through any of these changes, matter is conserved. The same amount of matter exists before and after the change none is created or destroyed.
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