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45 points SerPOPS 29 P027 A certain element has its outermost electron in a 2p subshell....
A certain element has its outermost electron in a 2p subshell. It has valence +5 because...
A certain element has its outermost electron in a 2p subshell. It has valence +5 because it has 5 more electrons than a certain noble gas. What element is it? Express your answer using its one- or two-letter abbreviation.
An element that has five electrons in its outermost d orbitals and one electron in its...
An element that has five electrons in its outermost d orbitals and one electron in its outermost s orbital is a member of group _________ in the periodic table. Fill in the blank, please!
A +3 cation of a certain transition metal has two electrons in its outermost d subshell....
A +3 cation of a certain transition metal has two electrons in its outermost d subshell. Which transition metal could this be? Shade all the possibilities in the Periodic Table outline below. 1A 1 H2A 8А 3A 4A 5A 6A 7A He 2 Li Be BCNO F Ne 3 Na Mg 3B 4B 5B 6B 7B -- 8 --- 1B 2B Al Si P S a Ar 4 K Ca Sc Ti V Cr Mn Fe Co Ni Cu Zn...
A +2 cation of a certain transition metal has three electrons in its outermost d subshell....
A +2 cation of a certain transition metal has three electrons in its outermost d subshell. Which transition metal could this be? Shade all the possibilities in the Periodic Table outline below. ВА 1A 1H 2A ЗА 4А 5А 6А 7A Не 2 Li Be B C N O F Ne 3 Na Mg 3B 4B 5B 6B 7B 8B --- 1B 2B Al Si P S Cl Ar 4 K Case Ti V Cr Mn Fe Co Ni Cu...
A +3 cation of a certain transition metal has six electrons in its outermost d subshell....
A +3 cation of a certain transition metal has six electrons in its outermost d subshell. Which transition metal could this be? Shade all the possibilities in the Periodic Table outline below. 1A BA 1 H 2A 3A 4A 5A 6A 7A He 2 Li Be BCN OF Ne 3 Na Mg 3B 4B 5B 6B 7B -- 8B -- 1B 2B Al Si P S Cl Ar 4 K Ca Sc Ti V Cr Mn Fe Co Ni Cu...
Complete the electron-dot symbol for the P3− anion. Click to select an electron-pair or single electron,...
Complete the electron-dot symbol for the P3− anion. Click to select an electron-pair or single electron, then click on the element symbol to add electrons. Click the reset button to clear all electrons and start over. View Available Hint(s) SubmitPrevious Answers Incorrect; Try Again; 4 attempts remaining Part B Write the valence-shell electron configuration for the P3− anion. Express your answer in complete form, in order of increasing orbital energy. For example, 1s22s2 would be entered as 1s^22s^2. View Available...
(5 pts] Saraw orbital diagrams for atoms with the following electron configurations:15 2s 2p 3s 3p 45-30 33. Write t...
(5 pts] Saraw orbital diagrams for atoms with the following electron configurations:15 2s 2p 3s 3p 45-30 33. Write the equations representing the following processes. In each case, be sure to indicate the physical state of the ions. [2 x 4 pts) The electron affinity of S (1) The fourth ionization energy of titanium (TI) 34 For each of the following pairs, indicate which one of the two species is larger: (3 x 1 pt) (a) N or F- (b)...
The following properties are observed for an unknown element. Identify the element from its properties. (a) The neutral atom has two unpaired electrons. (b) One of the valence electrons in the ground-...
The following properties are observed for an unknown element. Identify the element from its properties. (a) The neutral atom has two unpaired electrons. (b) One of the valence electrons in the ground-state atom has ml = +1. (c) The most common oxidation state is +4. (d) If an electron in a hydrogen atom were excited to the same principal quantum level, n, as the valence electrons in an atom of this element, and fell to the n - 1 quantum...
e. 18 Test Your Knowledge MULTIPLE CHOICE: Choose the one best answer. 1. Each element has...
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...
please complete the questions has not answering with clarification of the answer to any page Name...
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...
A certain element has its outermost electron in a 2p subshell. It has valence +5 because it has 5 more electrons than a certain noble gas. What element is it? Express your answer using its one- or two-letter abbreviation.
A +3 cation of a certain transition metal has two electrons in its outermost d subshell. Which transition metal could this be? Shade all the possibilities in the Periodic Table outline below. 1A 1 H2A 8А 3A 4A 5A 6A 7A He 2 Li Be BCNO F Ne 3 Na Mg 3B 4B 5B 6B 7B -- 8 --- 1B 2B Al Si P S a Ar 4 K Ca Sc Ti V Cr Mn Fe Co Ni Cu Zn...
A +2 cation of a certain transition metal has three electrons in its outermost d subshell. Which transition metal could this be? Shade all the possibilities in the Periodic Table outline below. ВА 1A 1H 2A ЗА 4А 5А 6А 7A Не 2 Li Be B C N O F Ne 3 Na Mg 3B 4B 5B 6B 7B 8B --- 1B 2B Al Si P S Cl Ar 4 K Case Ti V Cr Mn Fe Co Ni Cu...
A +3 cation of a certain transition metal has six electrons in its outermost d subshell. Which transition metal could this be? Shade all the possibilities in the Periodic Table outline below. 1A BA 1 H 2A 3A 4A 5A 6A 7A He 2 Li Be BCN OF Ne 3 Na Mg 3B 4B 5B 6B 7B -- 8B -- 1B 2B Al Si P S Cl Ar 4 K Ca Sc Ti V Cr Mn Fe Co Ni Cu...
(5 pts] Saraw orbital diagrams for atoms with the following electron configurations:15 2s 2p 3s 3p 45-30 33. Write the equations representing the following processes. In each case, be sure to indicate the physical state of the ions. [2 x 4 pts) The electron affinity of S (1) The fourth ionization energy of titanium (TI) 34 For each of the following pairs, indicate which one of the two species is larger: (3 x 1 pt) (a) N or F- (b)...
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...
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...
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