Question

अथवा
किसी समातंर श्रेणी के प्रथम n पदों का योगफल सूत्र लिखिए​

Answer 1

Step-by-step explanation:

An atom is the smallest unit of ordinary matter that forms a chemical element. Every solid, liquid, gas, and plasma is composed of neutral or ionized atoms. Atoms are extremely small, typically around 100 picometers across. Wikipedia

Components: Electrons and a compact nucleus of protons and neutrons

Electric charge: zero (neutral), or ion charge

Mass range: 1.67×10−27 to 4.52×10−25 kg

Diameter range: 62 pm (He) to 520 pm (Cs) (data page)

Elements