Enter your answer in the provided box. Calculate the atomic mass of naturally occurring chlorine if...
Enter your answer in the provided box. An element has two naturally occurring isotopes. The mass numbers of these isotopes are 109 amu and 111 amu, with natural abundances of 35% and 65%, respectively. Calculate its average atomic mass. Report your answer to 1 decimal place. amu
There are two naturally occurring isotopes of chlorine. 35^CI has a mass of 34.9689 amu. 37^CI has a mass of 36.9659 amu. Determine the abundance of each isotope.
Question 3 (2.5 points) Chlorine has two naturally occurring isotopes. The isotope C1-35 (mass = 35.0 amu) makes up 75.8% of the sample, and the isotope CH-37 (mass = 37.0 amu) makes up 24.2% of the sample. What is the average atomic mass for chlorine? A) 36.0 amu B) 35 amu C) 36.6 amu D) 35.5 amu E) 35.521 amu
18. Hypothetical element Z. has three naturally occurring isotopes, z , andz Calculate the atomic mass of 7. Isotope 287 297 307 29.2252 amu 28.9757 amu 28.7260 amu Isotopic Mass (amu) 27.976927 Abundance % 92.23 4.67 3.10 D) 28.976495 29.973770 A) B) C) 28.0855 amu E) 27.9801 amu 19. An anion is defined as A) B) a charged atom or group of atoms with a net negative charge. a stable atom. a group of stable atoms. an atom or group...
What is the correct answer for the calculation of a volume (in mL) with measured numbers 28.58 ? 16 x 8.02 A) 0.22 mL B) 0.223 mL C) 57 mL D) 14 mL E) 14.3 mL Oc D A E The specific heat of copper is 0.0920 cal/g °C, and the specific heat of silver is 0.0562 cal/g °C. If 100 cal of heat is added to one g of each metal at 25°C, what is the expected result? A)...
please complete the questions has not answering with clarification of the answer to any page Name Lab Section _Date The Mole Concept and Atomic Weights The purpose of this activity is to better understand the concepts of relative atomic mass, counting by weighing and the mole. Percent composition and average atomic mass are included. Part I. Relative Atomic Masses and the Mole - Early Method When John Dalton proposed his atomic theory, he stated that the atoms of each element...
e. 18 Test Your Knowledge MULTIPLE CHOICE: Choose the one best answer. 1. Each element has its own characteristic atom in which a. the atomic mass is constant. b. the atomic number is constant. c. the mass number is constant. d. Two of the above are correct. e. All of the above are correct. 2. Which of the following is not a trace element in the human body? a. iodine b. zinc c. iron d. calcium e. fluorine 3. A...