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

Q: Describe the arrangement of the elements in the modern periodic table.

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Q: periodic

A: According to the question, we need to determine what does the letter 'A' represents in this periodic…

Q: Why did Mendeleev not include neon in his periodic table of 1871?

A: Mendeleev arranged the periodic table in the increasing order of their atomic weights. The elements…

Q: The total no of electrons that are donated by CN ligands in the following complex is: [Fe(CO)2(CN)4]…

A: Ligands: These refer to any ion or molecule which are attached to the central metal atom or central…

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: Define the atomic mass unit. What were the benefits of developing the atomic mass unit as a standard…

A: Atomic mass unit is defined as 1/12 of the mass of a C-12 atom.  OR 1 amu is the average of the…

Q: 6. Calculate the atomic mass of the element described below (both atoms of the same element). Then…

A: Isotopes are defined as the atoms of same element having same number of protons but different number…

Q: 2. The elements vary from metals through metalloids to nonmetals. They form halides in oxidation…

A: Given, The elements of the unknown group contains metals, metalloids and non metals. The halides of…

Q: This question serves as a summary. Match the element symbol to the periodic table location.…

A: The objective of this question is to match the given element symbols to their respective categories…

Q: 4. Darium (Da) is the name given to the hypothetical element with an atomic number of 120. It should…

A: As per IUPAC system, element with atomic mass 120 is named as "Unbinilium". According to the…

Q: An ion of an element has a 2-charge when it has 12 neutrons and 15 electrons. What element is this?…

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Q: A new element is discovered. The new element is named Tucsonium and has the chemical symbol Tu. It…

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Q: Macmillan Learning Give the symbols of the elements that occupy the group 13 (IIIA), period 4: group…

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Q: Which group of the periodic table is known as the noblegases? List their names.

A: The periodic table is the arrangement of elements in the order of the increasing atomic number. The…

Q: Assignment 1) Memorize names and symbols of the elements in • the first three rows of the periodic…

A: As per our guidelines we can only solve first three questions. Please resubmit the other questions…

Q: Choose the compound from the list below. magnesium water neon helium O lithium

A: Given options:  magnesium water neon  helium lithium We have to find the compound from the above…

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

A: The periodic table is comprised of elements arranged in groups and periods. The vertical columns are…

Q: Define both the Greek atomic theory and the modern day theory of atoms. How does the Greek atomic…

A: The Greek assumption of atoms with different shapes wasn't based upon any empirical evidence but on…

Q: Tennessine, element 117, is the most recently discovered element in the periodic table. Assuming it…

A: It is given that Tennessine is an element having an atomic number of 117 and is the recently…

Q: Does any element with Z ≤ 92 match the description? A noble gas with a lower atomic number than…

A: The question is asking if there is a noble gas with an atomic number less than that of iodine, and…

Q: Read each description in the first column of the table below. If any chemical element with atomic…

A: Answer:Periodic table is an arrangement of elements in rows and columns according to their…

Q: Why are some elements metalloids

A: Step 1: Elements are classified as metalloids because they exhibit properties that are intermediate…

Q: Which group of the periodic table is known as the halogens? List their names.

A: Halogens are highly eletronegative elements present in 17 group of the periodic table.Th reason for…

Q: Why does the fourth period in the periodic table contain 18 elements?

A: The periodic table is the tabular arrangement of elements which are arranged in the increasing order…

Q: DO NOW: Describe the process happening in this image in as much detail as possible (complete…

A: The given nuclear reaction is,   86222Ra  ----------> 84218Po +       24He    • However,  Ra is…

Q: Elements that lie on the left side of the periodic table are generally non-metals?

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Q: Pretend that a new element has been discovered and that it is in the 9th row and 2nd column of the…

A: In periodic table,Each row is called period.Each column is called group.In current modern periodic…

Q: Classify each element. Note that another term for main group is representative, another term for…

A: We have to categorize the given elements according to the given categories. This classification is…

Q: sted in the outline of the Periodic Table below: mat can you say about these elements without…

A: Element X is a S group Element while elements  Y is an P group element

Q: Which element do you expect to have properties similar to chlorine? Group of answer choices Nitrogen…

A: In periodic table the elements present in the same group have same valence electronic configuration…

Q: where is metalloids located in the periodic table

A: The periodic table is the table in which each element is arranged in increasing order of their…

Q: ENRICHMENT Complete the concept map below by filling up the boxes with the appropriate concepts…

A: A scientist named Mendeleev arranged the different chemical elements present in this world according…

Q: Find the period 3 (AN #11-18) and period 4 elements (# 19 – 36). Do period 3/period 4 have the same…

A: We are familiar with periodic table. For reference I'm attaching a periodic table from internet  We…

Q: When the element forms an ion, what will the ion name be? Remember, some elements use the same name…

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Q: Which statement is incorrect? Elements are building blocks for compunds. An atom is the smallest…

A: The detailed explanation of the given statements is as follows:   Statement true/false…

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…

Q: Given the following information, determine which element of the periodic table is being described as…

A: Elements are arranged in the periodic table in the increasing order of their atomic number.  There…

Q: The table shows the properties of silicon isotopes. Silicon Isotope Percent Abundance Mass Number…

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