By international agreement, absolute zero is defined as precisely; 0 K on the Kelvin scale, which is a thermodynamic (absolute) temperature scale; and –273.15 degrees Celsius on the Celsius scale.
Answer:
A good explanation is the “Ideal State for Electrons”, like the Noble Gases; but unlike these Noble Gases, with filled outer Shells of electrons, Halogens are -1, and other elements, +1 and so on, so the most stable, and filled electron shells can be created.
Explanation:
Answer:
2 significant figures i.e. 2 and 7.
Explanation:
We need to find the number of significant figures in the given number i.e.
.
It has 2 significant figures i.e. 2 and 7.
It means the power of 10 doesn't count in the significant figures.
Hence, there are 2 significant figures.