Chapter 3 chem
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What is the maximum number of electrons that can be contained in the first, second, and third energy levels, respectively?
2,8,18
1 mole of atoms
6.02 x 10^23 atoms
Bicarbonate
HCO3-
What is the formula for an ionic compound that contains the elements magnesium and chlorine?
MgCl2
ammonium
NH4+
Nitrite
NO2-
phosphate
PO4 3-
Which of the following describes a scenario in which the molecular geometry would have the smallest bond angle(s)?
two bonding domains (or bonding pairs) and two nonbonding domains (or lone pairs)