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Which gas has an atomic mass of 15.999?

The structure of an atom includes which of the following?

Which element has atomic number 12?

The chemical bond between which two atoms is most polar?

Which model of the atom is the most accurate?

Which of the atoms listed below has the smallest radius?

Which atom in sodium lauryl sulfate has an expanded octet?

Which element has a larger atomic radius?

Which atom has the lowest ionization energy?

Which neutral atom is isoelectronic with Mn+4?

Which atomic model came first?

Which electrons have the most energy in an atom?

Which of the atoms listed below has the largest radius?

Which atom in a water molecule has the greatest electronegativity?

Which element has the atomic number 9?

Which atom has the greatest mass?

Which combination of atoms can form a polar covalent bond?

Which best describes the current model of an atom?

John Dalton believed which of the following about atoms?

In the molecule HCl, which atom is the negative pole?