January 2020 Chemistry Regents Questions 1-10

Match it! Select the correct answer from the pull down...Good luck!

Which part of a calcium atom in the ground state is represented by the dots in its Lewis electron-dot diagram?

Which element has chemical properties that are most similar to potassium?

Which statement describes the energy and bonding changes as two atoms of fluorine become a molecule of fluorine?

The element in Group 14, Period 3, of the Periodic Table is classified as a

Which terms identify two different categories of compounds?

Which statement describes a concept included in the wave-mechanical model of the atom?

As an electron in an atom moves from a higher energy state to a lower energy state, the atom

Which element requires the least amount of energy to remove the most loosely held electron from a gaseous atom in the ground state?