“Electrons” An atom is neutral because it has the same number of positive charges protons as it has electrons.
Answer:
On a periodic table, the columns of elements with similar properties are called groups
Carbon is the only possible solution in this question for the reason that the chemical formula for glucose is c6h12o6 (6, 12 and 6 underscore) and carbon dioxide is co2. Both of the chemical formula contains carbon that is why that is the main element.
I think the answer is C but I also feel it should be A...... but I think its C
