QUESTION 2 Which of the following nuclides would be expected to be particularly stable? A. calcium-40 B. potassium-38 C...
11. If calcium-40 were to undergo radioactive decay, which isotope would it most likely form? A) calcium-41 B) calcium-39 C) potassium-40 D) scandium-40 E) argon-36
1.) Based on the N/Z ratio, size of the nuclide, and knowledge of stable nuclides, what mode of decay is most likely for the following nuclides? a. Potassium-40 b. Chlorine-41 c. Oxygen-20 d. Thorium-224 e. Carbon-15 2) Oxygen-16 is one of the most stable nuclides. The mass of an oxygen-16 atom is 15.994915. Calculate the mass defect (or the binding energy) of oxygen forming from neutrons and protons in kJ/mol.
Which of the following elements would be expected to be particularly stable? Group of answer choices Be B C Li
1.) Which of the following nuclides would you predict to be stable and which radioactive (Hint: calculate the N/Z ratio and examine the number of nucleons present in each isotope.) a. Neon-20 b. Sulfur-31 c. Thorium-230 d. Barium-133 2.) Why is sulfur-32 more stable than sulfur-31 unstable? Please help!
Question 3 Which atom has the largest number of neutrons? a.chlorine-37 b.calcium-40 c phosphorous-30 d. argon-40 se potassium-39
38) Which of the following occurs naturally as nonpolar diatomic molecules? A) sulfur B) argon C) chlorine D) all of the above E) none of the above 39) Aspartic acid is an amino acid used to synthesize proteins. How many lonc pairs of electrons need to be added to complete the aspartic acid structure shown below? A) 11 B) 9 096 D) 8 E) 4 40) The number of resonance structures for the sulfur dioxide molecule that satisfy the octet rule is A) 4 B) 3...
QUESTION 40 Which of the following elements is chemically similar to magnesium? sulfur O potassium calcium nickel Iron
18) Which of the following cycloalkenes would be expected to be stable? A) 1 & 2 B) 2 & 3 C) 2 D) 1&3 E) None are stable.
38) Which of the following is the most stable conformation of the following compound? 38) - Hota Horta A) I B) II C) III D) IV 39) What are the products of the combustion of alkanes? A) Carbon dioxide and water B) Carbon and hydrogen C) Carbon dioxide and hydrogen D) Carbon and water 40) What is the relation between the following pair of compounds? не насны A) Not isomers of each other C) Stereoisomers B) Identical molecules D) Constitutional...
4. Which of the nuclides below would you predict to be stable? 166 48 32 60 (b) 19K (c) 18Ar 92 46 32 (e) 16