Cl, Br, Se   Which atom has the highest IE1?    Cl    Br    Se   Which atom has the lowest IE1?    Cl    Br    Se

Q: Be sure to answer all parts. Which of the following arrangements of elements within the same group…

A: Electron affinity is defined as the change in energy of a neutral atom when an electron is added to…

Q: How many electrons in an atom can have n=2 and ml=-1

A: The question is based on concept of quantum numbers. These are the numbers which describe the…

Q: how many protons does the atom of an element given by 32X61 have? a)29 b)32 c)61 d)90 e) none of…

A: Symbol of the element is => 32X61 Thus Atomic number = 32 Mass number = 61

Q: Match the following species with the correct representation v 19 protons and 18 electrons A. P v 26…

A: Number of protons= number of electrons= atomic number But if their is charge present on the ion then…

Q: What is the correct order of size (from smallest to largest) of K, K*, Ca and Ca2+? O A. K < K* < Ca…

A:

Q: Which of the following ions has the largest size? Select an answer and submit. For keyboard…

A: Given ions of elements Cs,K,Li,Na and Rb are members of group 1 of the periodic table. Also known as…

Q: What element(s) are designated by each symbol or group of symbols? a. CU and Cu b. Os and OS c. Ni…

A: What element(s) are designated by each symbol or group of symbols? a. CU and Cu b. Os and OS c. Ni…

Q: Which of the following correctly ranks the ions Ca2+, S2–, K+, Cl–, and H+ in order of increasing…

A:

Q: State whether the firs sentence is true or false and also the second statement. 1. All normal atoms…

A: Electrons, protons and neutrons are the fundamental particles of an atom. The number of electrons in…

Q: Re-order each list in the table below, if necessary, so that the atoms or ions in it are listed in…

A: We have to arrange the following  sets of atoms or ions with decreasing order their  size.  NB. As…

Q: 3 protons, 3 neutrons, 3 electrons 2 protons, 1 neutron, 1 electron 7 protons, 7 neutrons, 9…

A: If in a atom or ion the no of protons and nk of electrons are same that it is neutral. If no of…

Q: 1. To what group in the periodic table do the elements listed belong ? 2. Why these elements are…

A: The elements listed are called inert gases and belong to the group 18 of the periodic table. They do…

Q: An atomic cation with a charge of +2 has the following electron configuration: 35 What is the…

A: A cation with +2 charge has two electrons less than the neutral atom.

Q: What is the number of ee distant pairs in an atom with 32 electrons? O a. 1493 O b. 496 O c. 512 O…

A:

Q: For eaci, .n in the table below, write down the subshell from which an electron would have to be…

A: Answer:- This question is answered by using the simple concept of electronic configuration and…

Q: Why is the EA, for Si greater than the EA¡ for P? EA1 decreases from left to right across a period.…

A:

Q: M+1 and M+2 relative eak). Use the isotope d. C10H19CI e. CioH19Br

A:

Q: Please help me complete this chart

A: The most stable ion of Ca is Ca2+. The most stable ion of O is O2-.

Q: What is the MAXIMUM number of electrons that can be contained in the 5th shell of an atom? (not…

A: The long form of the periodic table is a tabular arrangement of all known elements. Here the…

Q: In which of the following species is the difference betweenthe number of protons and the number of…

A: Atomic no. is equal to the no. of protons present in the species.

Q: Rubidium and bromine atoms are depicted at right. (a) What monatomic ions do they form? (b) What…

A: Periodic table is the arrangement of atoms in groups and periods according to their increasing…

Q: 6. What are the no of protons and electrons on the following ions: (a) Ca , (b) F , (c) 0? , and (d)…

A: Since you have posted multiple questions, we are entitled to answer the first only.

Q: Which atom is the smallest? ΟΝ 00 OP OS

A: The modern periodic table is composed of 18 groups and seven periods. The physical and chemical…

Q: 1.)Fill in the blanks. Even though they are in the same family, the calcium atom is much larger…

A: They are in the same family, the calcium atom is much larger than beryllium atom because it has more…

Q: Re-order each list in the table below, if necessary, so that the atoms or ions in it are listed in…

A: To solve this problem we have to know about the periodic trends of atomic radius of elements in…

Q: For Items 11-25, refer to the image below. The atoms were represented by letter in the boxes. Please…

A: The given structure can be analysed as follows:

Q: Which is the valence shell of K+ ion?   a. L b. M c. K d.

A: Valence shell means the outermost shell.

Q: For each of the following sets of atoms and ions, decide which is smallest and which is the largest.…

A: Higher the charge higher is the effective nuclear charge. The higher effective nuclear charge…

Q: Rank the effective nuclear charge Z* experienced by a valence electron in each of these atoms: z*…

A: We need to arrange the given atoms according to their increasing effective nuclear charge.…

Q: How many distant nucleus pairs are in NH, molecule? a. 16 b. 1 C. 8 d. 6 c. 4 f. 2 9. 12 h. 3

A: Distant nucleus pairs can be calculated by considering number of nucleus.

Q: Which of the following atoms would you expect to be smallest in the follow set of elements?   A.K…

A: In the periodic table, left to right size of the atom is decreases and up to down increases. Argon…

Q: Na, O Са, N S, CI

A: When two atoms with significant differences in electronegativity combine together to form a bond,…

Q: Choose the symbol of an atomic ion for each of the following electron configurations: 1s 2s…

A: Electronic configurations are used to explain the distribution of electrons in different energy…

Q: Re-order each list in the table below, if necessary, so that the atoms or ions in it are listed in…

A: Introduction :-  Atomic radii :- Atomic radii is the distance between the center of nucleus of atom…

Q: What is the correct order of size (from smallest to largest) of K, K+, Ca and Ca²+? O Ca2+ < K+ < Ca…

A: Given,  The size of atoms or ions : K, K+ , Ca and Ca2+ increasing order is:

Q: For each of the following sets of atoms and ions, decide which is smallest and which is the largest.…

A: In this question, the Sodium atom and sodium ion have to be compared on the basis of their size. The…

Q: Arrange Sr2+, Li, Br− in decreasing  atomic/ionic radius (largest to smallest).   Answer Options:…

A: Arrange Sr2+, Li, Br− in decreasing  atomic/ionic radius (largest to smallest).

Q: 22 Multiple Choice 0.5/1 "Which of the following are reasons why it must only be electrons that move…

A: Atom has nucleous in the middle of the atom. Electrons revolve around the nucleous in some energy…

Q: •P. This dot structure represents which of the following answers: O PA5- O (Ne] 3s^2 3p^6 O [Ne]…

A: The electron dot structure given is,

Q: numbers (1,2,3...etc) NOT as words (one, two, three, etc.) Hydrogen (H)  Carbon (C)  Helium (He)…

A: In this question, we will determine the Valence electrons in each of the given Neutral atoms.…

Q: Rank the elements by effective nuclear charge, Zerr, for a valence electron. Highest Zer Lowest Zerr…

A: Effective nuclear charge can be determined by following formula - Z* = Z - S Where  - Z* = effective…

Q: How many electrons are in 99Tc+?

A: Every element has electrons equal to its total atomic number given in the periodic table.

Q: Arrange the following ions in order of increasing size.        Li+        Cl-        I-        Br-…

A: Increasing order of size of ions,    Li+  &lt;  Na+  &lt;  Cl-  &lt;  Br-  &lt;  I-

Q: Worksheet: 2 1. Circle the one from each pair that would be the larger in size: 2+ (A) F atom or O…

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

Q: What are the missing parts: 1) 0, 2) Zn, HOẶe 1)0, 2) Zn, HOẶC 1)0, 2) Zn, HOẶC

A:

Q: P This dot structure represents which of the following answers: O P O (Ne] 3s^2 3p^3 O PA3+ O (Ne]…

A: In the lewis dot structure of an atom, the dots represent the valence electrons present in an atom.

Q: Which of the following atoms has the most metallic character?   Group of answer choices   Cs K Rb Li…

A: • The given atoms are Cs (Caesium), K (Pottasium), Rb (Rubidium), Li (Lithium) and Na (Sodium)     •…

Q: Re-order each list in the table below, if necessary, so that the atoms or ions in it are listed in…

A: We know that, i) As we move from left to right in a period, The atomic/ ionic size decreases due to…

Q: How many valence electrons are there for the following atoms: (a) B fill in blank (b) Se fill in…

A: (a) B Atomic number = 5 Electronic configuration=1s22s2 2p1 The number of electrons in outermost…

Q: r each atom in the table below, write down the subshell from which an electron would have to be…

A: Answer  Lose of electron form cation (+1) Gain of electron form…