The answer is D
FeCl3 + 3 NH4OH → Fe(OH)3 + 3 NH4Cl
A. DNA is copied.
- The cell duplicates its DNA in order to have a complete set in eac cell when it divides.
Is to find the problem to the investigation
Answer:
three valence electrons
Explanation:
Gallium has three electrons in the outer energy level and therefore has three valence electrons. The identification of valence electrons is vital because the chemical behavior of an element is determined primarily by the arrangement of the electrons in the valence shell.
