Answer:
sulfuric acid
Explanation:
a strong acid that soluble in water.
C) S
Because of the trends of electronegativity. Increases across a period and decreases down a group.
Answer:
The energy of the photon is
.
Explanation:
Given:
The wavelength of the photon is given as:

The energy of a photon in terms of its wavelength is given as:

Plug in all the given values and calculate energy of the photon,
. This gives,

Therefore, the energy of the photon is
.
It's defined as the salt concentration in sea water. Ex: Sodium and Chlorure