I think the correct answer from the choices listed above is the first option. Burning biomass releases fewer toxins than coal. When coal is burned, it releases<span> many </span>toxic<span> gases and pollutants into the atmosphere which is not favorable to the people and for the environment. Hope this answers the question.</span>
Nitrogen, Periodic abbreviation= N
Atomic Number: 7, as it has 7 protons
Atomic Mass: 14.007, so around 7 protons and 7 neutrons depending on isotope type
# Protons: 7
# Neutrons: 7
# Electrons: 7, usually, but not always, equal to # of Protons
Valence Electrons: 5, as with 7 electrons total, 2 would fill the first valence shell, leaving 5 in the valence, or outermost, shell.
Answer:
Calcium has an Atomic number of 20 and Atomic mass of 40.078 u
Hope this helps!
Liquid 2 because the lower the density the more it floats and the higher the density the more it sinks. The order from top to bottom is liquid 2, liquid 3, liquid 1
Answer: About 10,200 Joules of heat is required to transform 80.0 g of solid benzene at 5.53°C into liquid benzene, also at 5.53°C.
