The __________ electrons are in the outermost principal quantum level of an atom

What elements have zero electronegativity?

What is the condensed electron configuration of the Fe2+ ion?

State and explain the trend in first ionization energy values across the period Li to F.

Order the elements S, Cl, and F in terms of increasing atomic radii.

Which is the electron configuration of a chromium atom in the ground state?

Ethanoic or acetic acid, CH3COOH, is a weak acid that is often used in the creation of vinegar.Note the two distinctly different bonds between carbon (C) and oxygen (O). Which option contains the correct information of these bonds?

Choose the element with the highest ionization energy.

Which of the following will have similar properties to 1s2 2s2 2p6 3s2 3p2?

How many unpaired electrons does chlorine have in its ground state?

You may use your electronegativity values in Section 8 of the IB data booklet, determine the bonding in methane (CH4)

The four lines observed in the visible emission spectrum of hydrogen tell us that:

Common name for a hydrogen atom that contains a neutron