What does Le Châtelier's principle say about upsetting a system at equilibrium?
A. A system will go to completion if equilibrium conditions are
changed.
B. A system at equilibrium will stay at equilibrium even if conditions
are upset.
C. A system whose equilibrium has been upset will shift to restore
equilibrium.
D. A system will not be able to restore equilibrium if conditions are
changed.

clouds form

solid ice forms on leaves.

water droplets form on grass.

you need to take a look at the periodic system in order to sort these elements into pairs that would most likely exhibit similar chemical properties. first, you need to find elements that are found in the same group (groups are vertical in the periodic system), and then to see whether they have the same valence number. if they meet these criteria, they will have similar properties.

the first pair: ne (neon) and kr (krypton), are noble gases found in group 8

the second pair: li (lithium) and k (potassium), found in group 1

the third pair: s (sulfur) and te (tellurium), found in group 6

d: the voltage of the secondary coil is less than that of the primary coil.

im not suree sorry if wrong