The correct answer is:
a positron is emitted when proton converts to a neutron.
The reaction can be described as following:
₁¹p (proton) → ₀¹n (neutron) + ₁°e (positron or ₁⁰β)
Positron is an antiparticle of a β particle (₋₁°β), which means it has an oposite charge to it, but same mass.
5 atoms is in 2CaCO3
Element: 1 atom
Compounds: 2+ atoms
How does the law of conservation of mass apply to this reaction: C2H4 + O2 → H2O + CO2?
