Plz . look at the image shown answer 1.2.3

Suppose you have designed a new thermometer called the x thermometer. on the x scale the boiling point of water is 129 ? x and the freezing point of water is 13 ? x. part a at what temperature are the readings on the fahrenheit and x thermometers the same?

An alpha particle is: a hydrogen atom a nucleus of helium two neutrons an electron

Avogradoa number was calculated by determining the number of atoms in?