Describe the composition of common amino acids.

How many protons, neutrons, and electrons are present in the13c - ion? 1. 7 protons, 6 neutrons, 5 electrons 2. 6 protons, 7 neutrons, 7 electrons 3. 7 protons, 6 neutrons, 6 electrons 4. 7 protons, 7 neutrons, 7 electrons 5.

Which of the following has dispersion forces as its only intermolecular force? A) CH4 B) HCl C) C6H13NH2 D) NaCl E) CH3Cl

An ideal gas expands from 17.0 L to 64.0 L at a constant pressure of 1.00 atm. Then, the gas is cooled at a constant volume of 64.0 L back to its original temperature. It then contracts back to its original volume without changing temperature.

Chlorine has an atomic number of 17. How many protons are in an atom of chlorine? A. 17 B. 18 C. 35 D. 52

What is the oxidation number of sulfur in Na2S2O3? (1) - 1 (3) + 6 (2) + 2 (4) + 4

12.5M AgNO3 is made using 3.5L H2O. How many grams AgNO3 are needed to produce the solution?

What is the net charge on an ion that has 9 protons, 11 neutrons, and 10 electrons? (1) 1 + (3) 1- (2) 2 + (4) 2-

The structure of the periodic table is based on the distribution

Which of the following prefixes means seven

How many moles are in 1.84x10^24 formula units of CaCl2, calcium chloride?