Answer:
the particle arrangement in liquid are close together with no regular arrangement
Lithium-Dull
Sodium-Dull
Potassium- Dull
Rubidium- Dull
Cesium- Both
Francium- Shiny
1.Light-collecting area
2.Angular resolution
Explanation:
Kepler’s third law states that for all objects orbiting a given body, the cube of the semimajor axis (A) is proportional to the square of the orbital period (P).
For each of our planets orbiting the Sun, the relationship between the orbital period and semimajor axis can be represented by the equation as:

k is constant of proportionality
It is required to solve the above equation for k

Heat cause domains of magnets atoms to lose alignment