–Number of electrons 15 [11] –Number of neutrons 16 [11] –Number of protons 15 [11] Radius of Atom –Atomic radius 1.80 Å [1] –Covalent radius 1.09 Å [1] Electronegativity (Pauling-scale) 2.19 [1] Electron affinity 72.037 [1] Ionization energy (kJ mol-1) 1st 2nd 3rd 4th...
What nuclide has 27 protons and 33 neutrons? Which gas below was not found in the earth's earliest atmosphere? a. O2 b. SH2 c. CH4 d. NH3 e. all the above Which element has the same number of valence electrons as nitrogen (N)? a. carbon (C) b. phosphorus (P) c. neon (Ne...
The final substance to be driven off, condensing as a white solid, was phosphorus.(2) This was a typically alchemical method – alchemists examined the properties of body fluids, hoping to better understand living things in their search for the philosophers’ stone, which they believed offered t...
Elements form bonds by earning, losing, or sharing: a) protons. b) neutrons. c) electrons. d) nuclei. e) protons. The smallest formed element in the blood is the ___. Which of the following is not a substance that the ...
lack protons and neutrons. \\ b. contain electrons in their atomic nuclei. \\ c. are composed of matter. \\ d. are chemical compounds. Which of the following compounds that contain chlorine is non-polar? a. HCl b. CHCl3 c. CCl4 d. CH2Cl2 e. They are...