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In the following reaction, what substance is oxidized? 2Mg + O2 → 2MgO

A 75 year old female has had type 2 diabetes for 30 years. She sees her nurse practitioner on a regular basis. She  asks the nurse practitioner why her treatment has not been changed, even though her laboratory values are seemingly out of normal range. Which of the following answers are best?    Select all that apply.

In the last few months, a 90 year old male appears unable to comply with the health-care plan developed by the nurse practitioner. The nurse practitioner considers which of the following reason(s) for noncompliance when updating his home care plan? Select all that apply.

A molecule contains a central atom with two identical bonds to other atoms and two lone pairs. The shape of this molecule is ________.

The correct electron dot symbol for a potassium atom is ________.

Radon is a metal.

Determine the name for P4O10. 

The ionization energy of rubidium is higher than the ionization energy for ________.

The number of electron levels (not sublevels) in a magnesium atom is ________.

The bond in Cl2 is a(n) ________ bond.