Bohr, he invented the Bohr model which is the basis for the beginning of quantum physics.
Tensile strength is the amount of tension a material can hold, at least I hope that’s what it is.
The instrument is a Geiger counter and is used to measure radioactive level around people's bodies.
Postitive ions have more protons than electrons, because protons are positively charged. Electrons have a negative charge, so if there were less protons than electrons the job would be negative. If there were the same amount of both, then the positive and negative charges balance each other out, making a neutral charge.
<span>A= a=99/85.3
B= a=-54/85.3
C=The acceleration is smaller.
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