True. Covalent bonds involve sharing electrons to create a full valence shell.
C. Sn (tin) is a metal, Si (silicon) is a metalloid, and C (carbon) is a nonmetal
That they are random, constant, and straight -line motion.
There are a couple of ways in which you can express the concentration of a solution, and here they are: gram per liter (g/L), molarity (M), parts per million (ppm.), and percents (%).
As you can see, only M appears in your answers, which means that the correct option should be (2) 3.5 M.
Answer:
A. 2
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