Question

Укажите состав ядра и число электронов в атомах: азота (N), бериллия (Be), углерода (C); свинца(Pb).

Answer 1

N
протоны(p)=электронам(e)=7
нейтроны(n)=14-7=7
Be
p=e=4
n=9-4=5
C
p=e=6
n=12-6=6
Pb
p=e=82
n=207-82=125

Answer 2

Atomic Composition and Electron Count in Atoms

Nitrogen (N): - Atomic number: 7 - Number of electrons: 7 - Composition: 7 protons, 7 electrons, and (typically) 7 neutrons - Source: Source Beryllium (Be): - Atomic number: 4 - Number of electrons: 4 - Composition: 4 protons, 4 electrons, and (typically) 5 neutrons - Source: Source Carbon (C): - Atomic number: 6 - Number of electrons: 6 - Composition: 6 protons, 6 electrons, and (typically) 6 neutrons - Source: Source Lead (Pb): - Atomic number: 82 - Number of electrons: 82 - Composition: 82 protons, 82 electrons, and (typically) 125 neutrons - Source: Source