It is an alpha decay because when this phenomena occurs an atomic nucleus emits an alpha particle (helium nucleus) and consequentially decays into another atom with a mass number that is reduced by four an atomic number that is reduced by 2 two. The helium atom consists of two protons and two neutrons.
Therefore, the answer is <span>alpha decay because alpha particles have two protons and two neutrons</span>
NaOH → Na⁺ + Cl⁻ ________________________________________________
Answer: i think its the thired one
Explanation:
The atomic number or proton number (symbol Z) of a chemical element is the number of protons found in the nucleus of every atom of that element.
Answer:
The correct answer is that letter. (μ)
Explanation:
Hello!
According to the international system of units, we use prefixes to indicate the number of places we ran the point.
The letter μ indicates 
The correct answer is that letter. (μ)
It is not in the options but it is correct.
