Define the concept of Comparing Elements Down a Column of the Periodic Table ?

Q: How many elements are in the 6th period of the periodic table?

A: Periods are the horizontal rows in the periodic table.

Q: identify the follwing atoms using their symbols d.the fifth period transition metal with properties…

A: d.the fifth period transition metal with properties similar to copper = Ag   e. the group V A…

Q: Explain how each element is composed of a unique kind of atom?

A: All atoms have protons, electrons and neutrons, but what makes each element unique is the number of…

Q: What is the main idea in the periodic law?

A: The main idea in the periodic law has to be defined.

Q: What theory explains the underlying reasons for the periodic law?

A: Given information,       The periodic table is a result of the periodic law.

Q: A neutral atom of an element has two electrons with n=1,eight electrons with n=2,eight electrons…

A: Total electrons present in the neutral atom: n=1 has 2 electrons ⇒1s2n=2 has 8 electrons ⇒ 2s2,…

Q: whats up with the other element that are in the same group as krpton. Do they have anything in…

A: All the elements are arranged in the periodic table based on certain common features.

Q: Show the locations of (a) alkali metals, (b) alkalineearth metals, (c) the halogens, and (d) the…

A: Since you have posted questions with multiple subparts, we will solve the first three sub parts for…

Q: 13. How is the periodic table organized?

A: The periodic table consists of 7 periods and 18 groups. Periods are the horizontal rows, and groups…

Q: Explain why elements in the same group have similar properties.

A: The periodic table gives the arrangement of atoms in the order of increasing atomic numbers. There…

Q: Write the electron configuration of the following elements.a. the group 2 element in the fourth…

A: Electronic configuration - The symbolic representation of arrangement of electrons in its orbitals…

Q: What are the main features of Mendeleev's periodic table?

A: Mendeleev states that the “the properties of the elements are the periodic function to their atomic…

Q: A neutral atom has two electrons with n = 1, eight electrons with n = 2, eight electrons with n = 3,…

A: Note: “Since you have posted a question with multiple sub-parts, we will solve first three sub-parts…

Q: Classify each element as an alkali metal, alkaline earth metal, halogen, or noble gas.a. sodiumb.…

A: Alkali metals are those metals that are electropositive monovalent and found in the group (I) of the…

Q: give examples of transition elements.

A: The transition elements contain either d subshells which are incomplete or that readily lose…

Q: how can you be reasonably sure that arranging elements by their atomic number is accurate?

A:

Q: An ion of which element has a larger radius than an atom of the same element:

A: The size of anion is always larger than its parent atom while the size of cation is always smaller…

Q: 7.7 Draw a rough sketch of a periodic table (no details are required). Indicate regions where…

A: In the periodic table, the metals lie on the left side, non-metals lie extremely on the right side,…

Q: Which of the following species would be isoelectronic with Krypton? a) Ca2+ b) Se2- c) Xe d) Sr2+

A: Isoelectronic species---> the species which have the same number of electrons, but a different…

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: Classify each element in the fourth row of the periodic table as a metal, nonmetal, or metalloid.

A: An atom is composed of three main sub-atomic particles; electrons, neutrons, and protons. The atomic…

Q: Which of the following characteristics DOES NOT DESCRIBE atoms on the top right of the periodic…

A: ans: D Bigger ,more rings 1 or 2 valence electrons REASON: In periodic table from left to right…

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: Explain why the rows in the periodic table become progressively longer as we move down the table.…

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Q: Examine the elements below and identify the one element that is from a different family than the…

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Q: How many sublevels are there with n = 3 in an atom?

A:

Q: Give the general characteristics of the long form of Modern periodic table?

A: The modern periodic law states that “the properties or characteristics of the elements (both…

Q: smallest to largest in atomic size

A: Atomic size increases as we move down a group because of the outer electron entering into the next…

Q: 11. Which element is represented in this model if the atomic number is 3?

A:

Q: Rank the following elements according to atomic size using periodic trends from smallest to largest.…

A: Given , elements B, Ne, Li, N These are the elements of second period in periodic table.

Q: Which of the following statements concerning the periodic table is incorrect?   a. All the elements…

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Q: Classify each element as a metal, nonmetal,or metalloid.

A: Boron shows both metal and non metal characteristics, it behaves like a  non-metal when it reacts…

Q: ving: Why are the elements' atomic masses not in strict increasing order in the periodic table even…

A: As per the policy, we are only allowed to answer only 1st question. To get the answer of other…

Q: Which statement best describes the positions of the two elements in the periodic table?

A: As we move along a period size of atoms decreases due to increase in the edfective nuclear charge…

Q: explain the significance of the rows and columns of periodic table.

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Q: Describe the periodic properties of elements?

A:

Q: What determines the element?

A: The substance which is formed from one type of atom is known as an element.

Q: Life on Earth evolved based on the element carbon. Based on periodic properties, what two or three…

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Q: For each element, give the following information: [1] total number of electrons; [2] group number;…

A: TO FIND : 1)   TOTAL NO. OF ELECTRONS  2)    GROUP NUMBER 3) NUMBER OF VALENCE ELECTRONS  4)  PERIOD…

Q: Across the same period, the metallic property of an atom _________ as you go from right to left of…

A: The metallic character of any element is directly related to the tendency to loose electrons of…

Q: Elements in the same group tend to have similar characteristics, but some things like tendency to…

A: D) is the correct answer as BARIUM is largest and have greatest tendency to lose electron On moving…

Q: Which of the following statements about the periodic table is TRUE? a. The alkaline earth metals are…

A: Note: According to our guidelines we are supposed to answer only first question.  Kindly repost…

Q: Elements in Group 7A are known as the A) alkaline earth metals B) alkali metals C) chalcogens E)…

A: Periodic table represents the systematic arrangement of elements in which the properties of these…

Q: Which element is radioactive semimetal? A) Tellurium B)polonium C)Antimony D)Francium

A: Semimetal : metalloids are known as semimetals  A) Tellurium : symbol : Te   Atomic number :  52. It…

Q: Explain the periodic trend in atomic size from left to right across the periodic table. What is the…

A: On moving from left to right across a period, the atomic radius decreases, because nucleus of the…

Q: The periodic table is organized such that elements in the same group have the same ionic charge.…

A: 1- Charge means the element has the tendency to accept 1 electron. This means there will be 7…

Q: A neutral atom has two electrons with n = 1, eight electrons with n = 2, eight electrons with n = 3,…

A: The question is based on the concept of atomic structure. We have to identify the subatomic…

Q: Illustrate the Comparing Elements in the Same Row of the Periodic Table ?

A: SOLUTION: Step 1: The periodic table of elements has a total of 118 entries. Elements are arranged…

Q: Predict the atomic number of the (as yet undiscovered) element in the seventh period that is a…

A: The atomic number of the element ( as yet undiscovered) in the seventh period of the halogen has to…

Q: Which element is your favorite and why?

A: Answer My favourite element in a Periodic Table is        Carbon