The role<span> of a </span>decomposer<span> is to decompose or break down dead matter in the environment. Plants make their own food by the process of photosynthesis and also produce (hence the name) food for other </span>consumers<span>. Without </span>producers<span> an </span>ecosystem<span> could not sustain itself.</span>
The charge that 3 protons, 3 neutrons and 2 electrons have is that it will be a cation of Li with a charge of +1.
Li^+1.
The number of protons is the atomic number
