On a mission to a newly discovered planet, an astronaut finds gallium abundances of 61.29% for 69ga and 39.71% for 71ga. what is the atomic mass of gallium for this location? . the mass of 69ga is 68.7200amu. the mass of 71ga is 70.9200amu.

An atom of sodium-23 (atomic number = 11) has a positive charge of +1. give this information, how many electrons does it have? how many proteins and neutrons does this atom have

What is the empirical formula of c6h18o3? ch3o c2h5o c2h6o c2h5o5

According to the valence shell electron pair repulsion (vsepr) theory, a molecule that has four electron groups around the central atom will exhibit what electron geometry? view available hint(s) according to the valence shell electron pair repulsion (vsepr) theory, a molecule that has four electron groups around the central atom will exhibit what electron geometry? trigonal bipyramidal tetrahedral square planar determination of electron geometry requires information on whether the electron groups are lone pairs or bonding groups.