Which pair of elements would you expect to have the most similar atomic radii, and why?a. Si and Gab. Si and Gec. Si and As

Q: How many valence electrons does this element have?

A: Given electron configuration :-  1s22s22p63s23p63d104s24p5  Total electrons = 35  so, the atomic…

Q: Which of the following ions can be described by the Bohr’s model? B4+ F‒ Li+ Be2+ Bohr’s model…

A: Bohr's model applies only to the H atom and the species which have H like configuration also follows…

Q: What is shielding effect? Explain effective nuclear charge and calculate it for the last valence…

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Q: Atoms of Group 1 elements have the lowest first ionization energy of all the elements on the…

A: We have atoms of group 1 has lowest 1st ionization energy , but we have largest difference in…

Q: As the atomic number increases down the period, what happens to the metallic property and why

A: Metals are defined as minerals or substances that occur naturally under the Earth's surface. The…

Q: This energy diagram shows the allowed energy levels of an electron in a certain atom or molecule: A…

A: The ground state will have the lowest energy. So here the E level has the lowest energy i.e. It is…

Q: Place the following atoms in order of increasing atomic radii: Se, Pb, Cl, and S.

A: Atomic radius: The distance between the center of the nucleus and the outermost electron is known as…

Q: a. Which type of ions – cations or anions – have smaller radii than the corresponding neutral atoms?…

A: Cations have smaller radii than their corresponding neutral atoms. During the formation of cations,…

Q: How can we determine the number of valence electrons an element has?

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Q: The ionic radii of the ions S2–, Cl–, and K+ are 184, 181, 138 pm respectively. Explain why these…

A: The ions given are S2-, Cl- and K+. The number of electrons in all the species are same as the given…

Q: Using electron configurations, show how Li+ and K+ are formed

A: Electronic configuration refers to the systematic arrangement of electrons in the various shells and…

Q: Which atom would have the largest effective nuclear charge for its valence electrons?

A: The effective nuclear charge of an atom is the net force experienced by the outer electrons from the…

Q: Use Hund's rule and orbital diagrams to explain why the second ionization energy of oxygen is higher…

A: Ionization energy is the amount of energy required to remove the outermost electron from a neutral…

Q: Elements in group 17 have how many valence electrons?

A: Group 17 belongs to Halogens . Halogens has seven valence electrons on their outer most electronic…

Q: Energy state electrons in a neutral arsenic (As) atom. Now take your diagram and translate it into…

A: Filling of electrons in atom are governed by three basic rules i.e. Pauli's exclusion principle…

Q: Write the full electron configuration for tellerium (Te) list the number of valence electrons this…

A: Full or complete electronic configuration can be defined as the distribution of electrons of an atom…

Q: A parameter labeled n is called the repulsion parameter. It appears in the potential energy term…

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Q: What is the electronic configuration of copper? Which electrons are important for chemical…

A: Knowing the number of electrons in the Cu atom is necessary before we can write the copper electron…

Q: which atom would have the largest effective nuclear charge for its valence electrons? C, Li, N, B,…

A: The effective nuclear charge is the net positive charge experience by valence electrons. As the size…

Q: The most useful property of metalloids is their

A: VARYING ABILITY TO CONDUCT ELECTRIC CURRENT

Q: (a) Write the electron configuration for the element titanium,Ti. How many valence electrons does…

A: (a)The electronic configuration of any element is written keeping in mind three rules. Afbau…

Q: How do valence electrons determine the distinctive characteristics of metals?

A: Please find your solution below : Valence electrons are the electrons present in outermost shell of…

Q: II www-awn.aleks.com/alekscgi/x/Isl.exe/1o_u-lgNslkr7j8P3jH-IBcWcplLoFLoU71DOb3zrKPTUHJHevE88rwcc M…

A: Distribution of electrons in a shell or subshell is called electronic configuration. While writing…

Q: sing the orbital diagram for the atoms below, which one(s) is(are) diamagnetic? Mark a rite the…

A: The question is based on the magnetic properties of the atoms. we have to identify which of the…

Q: OOD NAME: PIATTTOS-CHEESE FLAVOR Paramagnetic/ Diamagnetic? Electron Orbital Element Properties Uses…

A: Potassium:  properties: 1.  Potassium is a white powder , solid at room temperature. 2. It belongs…

Q: Consider the elements: F, K, Na Which has the largest IE1, first ionization energy? Which has the…

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Q: Predict the electron configurations of Cs1+

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Q: Which pair of elements have the same number of valence electrons? O Do and Wh (elements 119 and 137…

A: Valence electrons :-  The electrons present in the outermost shell (valence shell) of an atom are…

Q: Write the condensed electron configuration for antimony, Sb. b. Antimony can have a valence of -3,…

A: Electronic configuration of Sb: 1s2 2s2 2p6 3s2 3p6 3d6 4s2 3d10 4p6 5s2 4d10 5p3  condensed…

Q: Use the electronic configuration of zinc to explain why it forms only a +2. From which orbital(s)…

A: Atomic number of zinc is 30.

Q: The first five ionization energies of an element in period 3 is shown in the graph below. Predict…

A: As told in the question, the element belongs to the 3rd period.A drastic change is observed from 3rd…

Q: Arrange the atoms according to decreasing effective nuclear charge experienced by their valence…

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Q: This element A has a complete octet of valence electrons (i.e., has a complete outer shell). Part 4…

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Q: Use the electron configurations of He, Ne, and Ar to explain why these atoms normally do not combine…

A: According to Lewis theory, inert gas atoms are chemically not reactive.

Q: Q/ Write complete pictorial electron configurations (lines and arrows) for each ion below. Do not…

A: Mn+2 = 23 electrons  1s2    2s2   2p6   3s2   3p6   3d5   4s0  complete pictorial electron…

Q: A: Define Coulombic energy and exchange energy (in your own words). B: Use phosphorus as an example…

A: The filling up of the electrons follow certain rules which are called the hund’s rule and auf bau…

Q: Write the electron configuration for an Al atom. Also, identify which of these electrons are valence…

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Q: The total number of electrons, valence electrons, and valency of He, C, and N?

A: Given  Atom = He , C , N  Total Number of electron ,Number of Valence electron ,Valency = ?

Q: 23.) How does the electron configuration of polonium (Po) end (i.e., what are its valence…

A: The question is based on the concept of electronic configuration. we have to write valence shell…

Q: Electron configuration for sodium atom is: 1s2 2s2 2p6 3s1  Explain shortly on your own words the…

A: In sodium atom total number of electrons are 11 in which valence electron is present in "s" subshell…

Q: Which substance can be described as cations bonded together by mobile electrons? a.C(graphite)…

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Q: Write general outer electron configurations (nsxnpy) for groups 6A and 7A in the periodic table. The…

A: The periodic table is the arrangement of elements in periods and groups.

Q: Elements on the left side of the periodic table are more likely to form positive ions than those on…

A: Ionization energy is the energy required to remove electrons from the valence shell of an atom…

Q: On your paper, write the full electron configuration for tellurium (Te). In the box below, list the…

A: The arrangement of the electrons in the different atomic orbital of an atom is known as the…

Q: what are valence electrons in an atom

A: Valence electrons are very small sub-atomic particles.