Decide which element has the greater size and defend your answer: (i) B or Si; (ii) C or P

Q: Which of the following lists contain an alkali metal, a halogen and a metalloid (semi-metal) in that…

A: In the periodic table, alkali metals are Group-1 elements.  Halogens are Group-17…

Q: which atoms ( can be more than 1) listed below have a smaller radius than Aluminum? B Cl Ga N S

A: On moving left to right in a period atomic size decreases due to increase in effective nuclear…

Q: Arrange the elements given below in the increasing order of their atomic size. (AKS 3h) Element A :…

A: The size of the atom depends on the electronic configuration of the atom. We know that size of the…

Q: List the outer electron configuration for each column in the periodic table.(a) 3A (b) 4A (c) 6A (d)…

A: (a) 3A : The outer electron configuration = ns2 np1  (b) 4A : The outer electron configuration = ns2…

Q: (1) Either 2 + 2 is 0 or gold has atomic number 79; (2) 2 + 2 is not 0; thus, (3) gold has atomic…

A: The Good argument3)Gold has atomic number 79which is good argument1) & (2) are not good…

Q: Give the period and group number for each element: (a) oxygen; (b) calcium; (c) phosphorus; (d)…

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Q: Carbon belongs to the second period and Group 14. Silicon belongs to the third period and Group 14.…

A: The carbon family, Group 14 in the p-block, contains carbon (C), silicon (Si), germanium (Ge), tin…

Q: Symbol of the element having Z=31

A: element having atomic number (z)=31,is Gallium and symbol is 'Ga'

Q: Select the symbol of the element that fits each of the following descriptions: (a) the alkaline…

A: Symbol of the elements that fits given descriptions are,

Q: Write an electron-dot symbol for each element: (a) K; (b) B; (c) F; (d) Ca; (e) Se.

A: Since we only answer up to 3 sub-parts, we’ll answer the first 3. Please resubmit the question and…

Q: Naturally occurring boron is composed of two isotopes. The percent abundance and the mass of each…

A: 6 (B) ANS: Atomic mass=   % abundant x atomic mass +% abundant x atomic mass /100 Atomic mass=  19.9…

Q: show-all-working-explaining-detailly-each-step

A: Diagonal relationship of Be can be shown that element which have similar properties of Be.

Q: Which of the following metals would be expected to have the smallest atomic radius? A) Cesium (Cs)…

A: In periodic table, on moving left-right the element's electronegativity as well as atomic number…

Q: Titanium is an s-block element. Select one: O True O False

A:

Q: Does any element with Z ≤ 92 match the description? An alkaline earth metal with a higher atomic…

A: First, we need to identify the atomic number of indium. The atomic number of an element is the…

Q: Which of the following elements is liquid at room temperature (choose all applicable)? You might…

A: Bromine: Liquid at room temperature: Due to its larger size bromine has larger surface area than…

Q: Which element would be expected to have chemical and physical properties closets to those nitrogen(N…

A: sulfur, because it's in the same groupGroups are columns of a periodic table. Both oxygen and sulfur…

Q: Does any element with Z ≤ 92 match the description? An element in the nitrogen family with a higher…

A: The question is asking if there is an element in the nitrogen family (Group 15 of the periodic…

Q: Four main-group elements a, b, c and d are highlighted in the outline of the Periodic Table below: d…

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

Q: Which of the following ions has the smallest size? (a) Cl- (b) F- (c) Al3+ (d) Na+

A: Since,As we move from left to right in a period then size decreases .But when we move from top to…

Q: Which of the following shows the arrangement of electrons in beryllium (Z = 4)? (s, p. d. frepresent…

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Q: Which element has the smallest atoms? -- P B Mg N

A: The trend of atomic radius in periodic table is as follows: Atomic radius decreases as we move from…

Q: Write the following from largest to smallest size. (a)    Mg2+, Be2+, Mg (b)    Cl−, Sc3+, K+,…

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Q: The periodic table is the most important organizing principle in chemistry. There is a regular…

A: A question based on periodic table that is to be accomplished.

Q: description An element in Period 3 and Group 4A. A semimetal in Group 8A. An element in the nitrogen…

A: The periodic table is divided into groups (vertical columns), periods (horizontal rows), and…

Q: The element gallium (Ga, Z = 31) is what type of element

A: Atomic number of Gallium(Ga) is 31.Electronic configuration is [Ar] 3d104s24p1.It is a p- block…

Q: The elements of the periodic . Table can be divided into main categories? (A) 3 (B) 5 (C) 4 (D) 2

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Q: List the following in order of increasing atomic size: Cs, K, C, F

A: As we move from right to left in a periodic table, the atomic size decreases because there is same…

Q: what group in the periodic table would an element with atomic number 112 belong?

A: • We need to determine the group in the periodic table would an element with atomic number 112…

Q: Be sure to answer all parts. Identify the element below and give the symbols of the other elements…

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Q: Which atom has the smallest atomic radius P CI Si S How many protons neutrons and electrons does the…

A: the detailed answer is attached below.

Q: Q2: Without consulting Figure 2.6 or Table 2.2, determine whether each of the electron…

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Q: Give the symbol for the element with n = 6, l = 1, ml = -1, ms = +1/2.  Lead, Bismuth, Astatine or…

A: Principal quantum number, azimuthal quantum number, magnetic quantum number and spin quantum number…

Q: 8.) A spy is using elemental symbols to write messages. The number that is used is the sum of the…

A: The number used designates the elemental symbols and each number is the sum of the atomic number and…

Q: Arrange each set in order of decreasingatomic size:(a) Ge, Pb, Sn(b) Sn, Te, Sr(c) F, Ne, Na(d) Be,…

A: Atomic sizes increases down the group and decreases along the period.

Q: When the equation Fe2(C204)3 → FeC204 + CO2 is balanced with the smallest integer coefficients, the…

A: Since you have asked multiple type questions, we will solve only first  questions for you. If you…

Q: Question 9 1s 2s 2p6 Is the electron configuration for which element? A) C B Ne C Ar CI

A: We have to predict the correct element for given electronic configuration.

Q: Which of the following ions has the smallest size? O cr Br O Ga³+ Okt OCa2+

A:

Q: Classify each of the following fourth-row elements as an alkali metal, an alkaline earth metal, a…

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Q: Which of the following elements is largest in atomic size? A) Ba B) Ca C) Mg D) Be

A: The atomic size or radius of the element is said to be the distance from the nucleus of an atom to…

Q: Why is Li-6 less abundant than Li-7

A: Given that Li-6 is less abundant than Li-7

Q: Give the name corresponding to each element symbol: (a) Ne; (b) S; (c) I; (d) Si; (e) B; (f) Hg, (g)…

A: (a) Ne = Neon   (b) S : Sulfur or Sulphur   (c) I : Iodine   (d) Si : Silicon

Q: 20. Which of the following statement is NOT correct for the s-block elements? A The solubility of…

A: Ans  A The solubility of the sulfates of group II decreases down the group because the larger anion…

Q: Which of the following describes the element Li. Choose all that apply. reacts vigorously with…

A: The given element is Li, which is Lithium Its atomic number is 3 and present in the alkali metal…