Answer:
the atomic mass number for boron is 5
Explanation:
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Phenolphthalein
In acid it is colourless and in water also colourless
Digital offers better clarity,but analog gives you richer quality
What is the element with 7 protons? They probably also have 7 neutrons. Just a ball park figure guess.
The ability to be crushed is a physical property and therefore is the answer.
