HELPP!!Pick one substance and compare two of the atoms connected to each other. 1.Are they close or far away from each other on the periodic table?

2.So they have similar atomic radii?

3.Do they have a large or small difference in ionization energy?what about for electron affinity?

it means there are 3 atoms of oxygen

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the atomic number of carbon is six, which means that a carbon atom has six protons. carbon has three naturally occurring isotopes: carbon-12, carbon-13, and carbon-14. which of these statements are true about carbon and its isotopes? select all that appl