1. Cl2 and Brą have approximately the same shape and neither is polar.

(a) Upon cooling, both Cl2 and Brą form solids. Why?

(b) At 25°C, chlorine (Cl2) is a gas whereas bromine (Bra) is a liquid. Why?

What is the electron configuration of a chlorine ion in a compound of BeCl2? A. [2.8.7]- B. [2.8.8]- C. [2.8.8]+ D. 2.8.7

N2__+3H2 = 2NH3 how many moles of hydrogen are consumed to produce 100. g of ammonia (17.04 g/mol)

The natural abundances of elements in the human body, expressed as percent by mass, are oxygen (o), 65 percent; carbon (c), 18 percent; hydrogen (h), 10. Percent; nitrogen (n), 3.0 percent; calcium (ca), 1.6 percent; phosphorus (p), 1.

How many carbon atoms are in 2.12 mol of propane?

Define reversible change

What are the 4 main groups of carbon compounds found in living things? * ?

What molecule carries the genetic code? Where is it found in the cell? When does DNA copy itself?

Part I Complete and balance the following equation: NO-2 (aq) + Al (s) →NH+4 (aq) + AlO-2 (aq) (basic solution)

Why it is important that mRNA is transcribed correctly from the strand of DNA

The three isomers of pentane have different (1) formula masses (2) molecular formulas (3) empirical formulas (4) structural formulas