Answer:
hi, here's the answer
Explanation:
the electric charge of an electron is negative (-ve).
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pitch is the perceived frequency of a sound wave.
Pretty sure it’s halogens , or groups 14-17
No
Explanation:
Tap water will not boil and freeze at those exact temperature which are the boiling and freezing points.
O°C and 100°C are the boiling points of pure water.
Pure water is a pure substance with a definite composition made up of 2 atoms of hydrogen and 1 atom of oxygen.
Pure water boils at 100°C and freezes at O°C ,
- Tap water is not pure water.
- It has some impurities in it which causes causes the elevation of the boiling point of liquids and widening of the boiling range.
- Tap water is treated water that contains some other dissolved chemicals.
learn more:
Molecular formula brainly.com/question/4574324
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