(Based on ME 2)The most electronegative atom on the periodic table is _______ and belongs to the family of ________.

(Based on SW 8)How many grams of each element (carbon and sulfur, in that order) are present in 38 g of carbon disulfide?

Draw the Lewis Dot Structure of ammonia on your scratch paper. The number of single covalent bonds and lone pairs on the molecule are, respectively, __ and __, and the molecule ____ a free radical.

(Based on ME 3)On a piece of scratch paper, draw the Lewis electron dot structure of FHCO, in which F, H, and O atoms are covalently bonded to a central C atom. How many single bonds, double bonds, and lone pairs are there in the molecule?

(Based on PS 5.2)The iron(III) ion (i.e. Fe3+) is _____ and has the electron configuration ____.

(Based on PS 1.2)A sample with a mass of 21.78340 g is weighed using an electronic balance that is accurate to ± 0.2 mg. How many significant figures should you write down in your lab book if you were doing an experiment and weighed the sample with this balance?

How many grams of chloride are in 153g of calcium chloride? [grams]   What is the percent weight of chloride in calcium chloride? [weight] %

(Based on PS 1.3)How many neutrons are in the nucleus of an atom of the most common isotope of chromium?

(Based on ME 2)Choose the alkaline earth metal with the smallest first ionization energy:

9. It’s totally fine to reuse an old paper from a previous course.