How many moles are in 373.8 grams of bromine?

Which of the following classifications is NOT correct? Group 1 and Group 2 - Metals Group 7 - Halogens Group 8 - Noble Gases Group 5 - Metalloids

Two major organic products are formed in the reaction of p-chlorotoluene with sodium amide. draw the structure of both products.

What is the relative mass of an electron? A. 1/1840 the mass of an electron B. 1/1840 the mass of a neuron + proton C. 1840 the mass of a C-12 atom D. 1/1840 the mass of an alpha particle The answer is A.

What are the different characteristics that can be used to identify an unknown mineral

A sample gaseous CO exerts a pressure of 45.6mm Hg in a 56.0L flask at 22 C. If the gas is released into a 2.70 x 10^4 liter room, what is the partial pressure of the CO in the room at 22 C?

Which of the following is diamagnetic? A) Sn B) Pb 2+ C) I D) N E) All are paramagnetic

Based on your observations in the lab, what do you think happens to the majority of water (not, ice) at the poles? at the equator?

How do organisms interact with each other and how can one organism be dependent upon other species

Check Sodium inside a star is most likely formed by which process? fission fusion <<--? alpha emission Beta emission

Which of these is the main goal of any titration? to observe the effect of indicators on acids to observe the effect of indicators on bases --> (((to determine the concentration of one of the reactants))) <--- to determine the effects of a base on