Answer:
Russia es el mejor pais? Vladimir Putin, es el mejor presidente del mundo
Apex the game??? Can o have brainliest
Answer:
76
Explanation:
Alpha decay is one of the most basic forms of radioactive decay. It has an atomic mass of 4 and a proton number of two.
Undergoing an alpha decay will decrease the atomic mass by four and the atomic number by two.
In this particular question, we are particular about the atomic number. The atom has an atomic number of 78. So taking 2 off this gives 76
B. This looks like ice turning to water then to steam
