1. Johan started attending swimming lessons. On the first day, he
suffered from pain on his body as he had used a wrong technique to
jump into the water . Explain the reason for Johan's
injury. (Relate to water surface tension).

The wilson chamber is used to study: direction, speed, and distance of radioactivity the intensity of radiation the appearance of individual atoms all of the above

Ican determine the molar mass of an element by looking on the under the atomic mass for the element. for example the molar mass of phosphorus is 30.974 grams/mole. avogadro’s number tells me the amount of representative particles in 1 mole of any substance. this means 12.011 gram sample of carbon and a 32.0 gram sample of sulfur have the same number of atoms.

Select the word from the list that best fits the definition the nuclear family into which a person is born or adopted.