Answer:
Cấu hình điện tử của nguyên tố X là:
1s² 2s² 2p6 3s2 3p5
The electronic configuration of an element X is:
1s² 2s² 2p6 3s2 3p5
It is none of the three. Conduction occurs when a heat source directly is touching an object.
Explanation: Number 1 is convection. Key term: convection currents. Number 2 is radiation, as radiation can pass through space. Number 3 is just explaining a part of the convection current.
The pascal (Pa) is the standard unit of pressure. A pascal is a very small amount of pressure, so the more useful unit for everyday gas pressures is the kilopascal (kPa). A kilopascal is equal to 1000 pascals. Another commonly used unit of pressure is the atmosphere.
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