Which has the larger radius, N3- or P3-? Explain. (You may use a periodic table.)

Q: Magnesia contains Mg?* and 02-. Which of these ions is larger? Explain.

A: Given that : Out of Mg2+ and O2- ion, we have to identify which one is larger.

Q: MCQ 118: In the Periodic table, the Alkaline earth metals are found in A. Period II B. Period III C.…

A: Ans C) group 11

Q: Periodic Table of the Elements CI Mn Te I Xe lodine would have chemical properties most like which…

A: This is the long form of the periodic table which consists of horizontal rows called periods and…

Q: What ions are possible for the two largest stable elements in Group 4A(14)? How does each arise?

A: The atomic number of Sn is 50 so its electronic configuration is [Kr] 5s24d105p2. It can lose 2…

Q: What would be your reaction to a claim that a new element had been discovered, and it fit between…

A: Periodic table is a collection of chemical elements which are arranged by increasing atomic number.…

Q: Differentiate between Atomic and Ionic Radii?

A: The difference between Atomic and Ionic Radii have to be given below.

Q: Rank lithium, fluorine, and nitrogen in order of decreasing ionization energy

A: Introduction :  Ionisation energy is the amount of energy required to remove the highest energy…

Q: which of these elements have the smallest atomic radius? silicon sodium cholrine sulfur phosphorus

A: The question is based on the concept of periodicity of properties. we have to identify the smallest…

Q: Give the chemical formula for (a) chlorite ion, (b) chlorideion, (c) chlorate ion, (d) perchlorate…

A: Chemical formula for- a) Chlorite ion- ClO−2 b) Chloride ion-  Cl− c) Chlorate ion- ClO3− d)…

Q: One gram of metal burns in air to give 1.27 g of tin oxide. What is the formula of the oxide?

A: Combustion: When a substance reacts with O2 at high temperature to generate the energy is termed as…

Q: Is astatine a nonmetal metal or metalloid

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Q: elements

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Q: Strontium, which is used to produce red fireworks, has an electron configuration of [Kr]5 s 2.…

A: The group, period and block of strontium element has to be given.

Q: You have made up a new non-metal element, Lolium, and produced a gaseous compound from it with a…

A:

Q: Which of the following elements is a good conductor of heat and electricity? neon chlorine carbon…

A: Substance having free electrons undergo movement, By movement they conduct electricity.  These free…

Q: Explain the organization of an atom of carbon.

A: The protons, neutrons, and electrons are the salient features of an atom. The protons present in the…

Q: Which of the following elements would you expect to have the lowest first ionization energy? Select…

A: Given: Some elements are given . To find: Element with lowest first ionization energy.  Solution:…

Q: Which element has the largest atomic radius? explain your answer in a separate sheet. O H O F O Na

A: Given :- symbol of elements H, F, Na and O  To identify :- element with largest atomic radius

Q: In Groups 1A-7A, name all elements in each group that has the smallest atomic radius?

A: Atomic radius of an atom is dependent upon the following factors: Effective nuclear charge…

Q: Compare Na, Mg, O and P. Which has largest atomic radius? Which has the highest ionization energy?…

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Q: 3. An element which shows a diagonal relationship with berylliun is A Oxygen B Magnesium C Вогon…

A: Diagonal  relationship A diagonal relationship is said to exist between certain pairs of…

Q: The atomic number of an element is IA Number of electrons in a neutral atom Number of protons in the…

A: 39,40,41 questions has one or many options are current.  A) If 1,2,3 are currect. B) If 1 and 2 only…

Q: The element belonging to group 3A and period 4 is Gallium Scandium Silicon Aluminum

A: The given questions asks about the identity of element which belongs from 4th period and 3A group.

Q: nic radius: Na", o², F, Mg*. (You may use a periodic table.)

A: Answer : order of the ionic radius is -  O2-> F-> Na+ >Mg2+ .  Explanation :  negative…

Q: In element form, antimony (Sb) and bismuth (Bi) are both brittle, crystalline solids at room…

A: Sb,Bi both are brittle,crystalline solids are room temperature  and poor conductor of electricity.

Q: Which of the following combination of elements is the most reactive? Cs and I Na and Br Cs and Br…

A: Greater is the difference in electronegativity between two atoms in a molecule, higher will be the…

Q: Which of the following elements is the largest?   a barium b titanium c rubidium d sodium

A: Atomic size decreases across a period from left to right, while increases down the group.

Q: The monatomic ions of Groups 1A(1) and 7A(17) are allsingly charged. In what major way do they…

A: The elements in group 1A (Li,Na, K,Rb,Cs,Fr) have one valence electron in their valence shell.…

Q: 1. How does atomic radius change from left to right across a period of the Periodic Table? a) it…

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Q: Why do the rows in the periodic table get progressively longer as you move down the table? For…

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Q: What is the radius of a barium atom ? Give your answer in nm

A: Atomic radius is defined as the distance between the center of the nucleus to the outermost shell…

Q: Select the greater of each of the following pairs of radii.     The covalent radius of Ge The…

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Q: Hypothetical elements X and Y form a molecule XY2, in which both Y atoms are bonded to atom X (and…

A: X-Y distance in the molecule XY2 will be 186 pm.  Bond length of any molecule is given by the…

Q: Write any two similarties between lithium and magnesium.

A: Magnesium and lithium exhibit a diagonal relation. Lithium differs from other alkali metals due to…

Q: 1. Which of the following elements would you expect to behave most like magnesium? A) Sodium B)…

A: Since you have posted multiple questions, we will solve only first question for you. If you want…

Q: Which one of these ions has the largest radius? Select one: 2- a. S b. Na C. K d. CE 2- e. O

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Q: Among Cl-, Ar, K+, Ca2+, Br-, Kr, Rb+, and Sr2+, which one has the largest radius?

A: Isoelectronic species are those species which have same number of electrons in them. And the radius…

Q: In each of the following pairs, choose the ion with the larger ionic radius: a) K* and Na* b) K* and…

A: In modern periodic table:  On moving from left to right across the period, size and ionic radii…

Q: What are the family names for groups 3A, 4A, 5A, and 6A on the periodic table.

A: The family names for groups 3A, 4A, 5A, and 6A on the periodic table are given in step two.

Q: What is the metalloid in Period 3 on the periodic table?

A: Metalloids :-  Elements whose properties are intermediate between those of metals and non metals are…

Q: 3. What type of elements form ionic bonds with metals?

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Q: Which of the following elements will have the largest first ionization energy? A. C B. Cl C. Na D. F…

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Q: ionic radius

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Q: If the radius of a potassium atom is 2.48 x 10-7 mm, how many K atoms would fit along the edges of a…

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

Q: Which element is solid at room temperature and a good conductor of heat and electricity

A: We have to find in the given options which element is solid at room temperature and a good conductor…

Q: A. Physical Properties of Elements“ |1. Symbol 1. Atomic Number 2. Luster 3. Metal/Metalloid/e…

A: The given table has to be filled,

Q: Select the single best answer. Which of the following elements would you expect to be most metallic?…

A: Metal has tendency to donates its electron easily while non-metal has tendency to gain electron…

Q: the atomic number of platinum is 74. what is the effective atomic number of Pt in [PtCl6]^2- ?

A: NOTE: Atomic number of platinum is 78 not 74.Effective atomic number:The sum of the number of…