Question

what is mean by tearm attom

Answer 1

Answer:

Nelson Rolihlahla Mandela was a South African anti-apartheid revolutionary, political leader and philanthropist who served as President of South Africa from 1994 to 1999. He was the country's first black head of state and the first elected in a fully representative democratic election

Explanation:

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Answer 2

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.

• 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