What element forms an ion with an electronic configuration of 1s2 2s2 2p6 (or [Ne]) and a -2 charge? Give the symbol for the element. What is the chemical symbol for the potassium element in the periodic table? What is the chemical symbol for gold? Hint: It's atomic number is 79...
What is the valence electron configuration for the arsenic atom? What is the mass number for krypton? Which of the following is the electron configuration for a halogen? a) 1s2, 2s2, 2p6, 3s2, 3p6, 4s2 b) 1s2, 2s2, 2p6, 3s1 c) 1s2, 2s2, 2p6, 3s2, 3p6, 4s2, 3d5 ...
What element has a ground state electron configuration that contains five unpaired 5d electrons? An element in its ground state has the following electron configuration: (Ne)3s23p2. What is this element? An element i...
Which atom or ion has the following electron configuration? 1S2 2S2 2P6 a. Ne b. Na+ c. F- d. O-2 e. all of them Which element has the greatest electron affinity? Explain the answer. Sr or Ba What is the relationship between the lonization energy of an anion with a-1 charge,...
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Keywords: sustainability science; sustainable development; definition; core questions; thematic framework; sustainability education; landscape sustainability 1. Introduction A grand challenge of our time is to meet the increasing needs of a growing population while protecting the environment, which is now ...
All three members of the NIMINs (NIMIN1, 2 and 3) contain a transcriptional repressor motif EAR (Ethylene-responsive element binding factor-associated amphiphilic repression), which functions as an adaptor to recruit the corepressor TOPLESS (TPL). However, it has not yet been characterized whether...
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What element has the electron configuration 1s22s22p4? What element has the electron configuration of 1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s1? What is the element with the following electron configuration? 1s22s22p63s23p64s23d1 What element has this electron configuration? 1s22s22p63s23p4...