1. The vertical columns in the periodic table are called _ halogens periods groups valence 2. Which of the following are not correctly paired? Na, alkali metal Br, halogen Ar, noble gas Sn, lanthanide 3. Which of the following elements belongs to the d-block? magnesium silver uranium gallium

Q: Calculate the average atomic mass of an element that has an isotope with a mass of 35.00 amu (75%…

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

A: Given :  Chemical element with atomic Number 92 or less

Q: The element in period 3, group 2: _________________ The element in period 5, group 13:…

A: The correct assignment of the desired elements and their catagory can be done based on their…

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A: We have to tell about Hydrogen, its Physical amd chemical properties

Q: 1. Using the various group classifications from the periodic table, assign all appropriate labels to…

A: In the periodic table elements are arranged on the basis of their atomic number. When the elements…

Q: Identify the three elements indicated on the periodic table, and give the group that they are in.…

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Q: Match each element with the appropriate family: chlorine (CI) potassium (K) copper (Cu) krypton (Kr)…

A: Halogen : Group-17 elements are halogens F, Cl, Br, I  Noble gas : Group - 18 elements are noble…

Q: 1. Give the name and element symbol of the element described by the following a. A noble gas in…

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Q: Na CI These 2 elements are in the same Period, what Period would it be? 1 18 2

A: Sodium (Na) electronic configurations [ Ne] 3s1 , Last electron is in  3S ,So principal  quantum…

Q: State the periodic law, and provide at least two examples to illustrate its meaning. Identify the…

A: The given problem is from the periodic properties of elements. The periodic law and corresponding…

Q: a. Is Potassium a metal, non-metal, or metalloid? b. Based on your answer to part (a) above, would…

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A: Atomic theory was first proposed by John Dalton in 1803. According to Dalton's Theory,  1. Elements…

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: Classify the family of each of the following elements as alkali metals, alkaline earth metals,…

A: Element Family Period   Hydrogen Alkali metal 1   Barium Alkaline earth metal 6   Potassium…

Q: Identify the element, with name and chemical symbol, that has a mass number of 23 and an atomic…

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

A: Modern Periodic Table :-  The framework of the modern periodic table was given by Dmitri Mendeleev.

Q: Is this impossible to have element or not? n = 7 ; l = 6 ; m = 5 ; s = - 1/2

A: An electron has wavefunction which is an address

Q: Part B Mendeleev placed thallium (TI) in the same group as lithium (Li), sodium (Na), potassium (K),…

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Q: 3. What is the symbol for the element in group 7 and series 5? a. Nb b. Db c. Te . Bh e. None of the…

A: In the periodic table, group 7 elements are Mn, Tc, Re and Bh. In the above elements, Tc is present…

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

A: Modern Periodic Table is based on atomic number of element where element arranged with increasing…

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

A: Answers to all the parts are given below

Q: Based on the information in the table, Sample 3 would likely be classified as a(n) —    alkali…

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Q: 86Rb+ What is the atomic number for this atom? [Select ] What is the atomic mass for this atom?…

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

A: Atom Number (Z) should be equal or less than 92, which is of Uranium (U).  (1) An element in period…

Q: description Does any element with Z ≤ 92 match the description? If you checked yes, give the symbol…

A: Group 4A contains the non-metal carbon, themetalleids silicon (Si) & Germanium , the metalstin k…

Q: 8. Fill in the blank spaces with the words provided. nonmetal, more, family, group, even, left…

A: Dimitri Mendeleev is known as the father of periodic table.   Periodic table is defined as the…

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Q: 5. To which group/family does the following belong? a. Sulfur d. Sodium e. Silicon f. Phosphorous b.…

A: First see the periodic table then spot out the given elements. See the solution below.

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

A: Match the columns with suitable elements

Q: 7. Which of the following are incorrectly paired? a) K, alkali metal b) Ba, alkaline earth metal c)…

A: Since, you have asked multiple questions, we will solve the first question for you.  Question-7 : In…

Q: ue False Elements of the same group have simīlar physical and chemical properties. There are more…

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Q: Identify each of the following elements as a metal, non-metal, or metalloid: (a) phosphorus, (b)…

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Q: C. Isotopes or Different Elements? Use the information given below to determine if the pair of…

A: Isotopes :Atoms of the same element which the same atomic number but differentmass number are called…

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

A: 1) Given : An element in period 6 and group 1A.

Q: 2. Which chemical group is being described? (for example IA, transition elements, etc.) a. Family…

A: In the periodic table , Each elements have its own property  Alkali metals are reactive and…

Q: [Lab3] Elegdron dot Atonic Mumber Graphember panod umber) valerey) strecdure eriod 18 • Heo Lio 3. 3…

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

A: 1. An element in Period 4, Group 3A is Gallium (Ga) with atomic number 31. 2. A non metal in Group…

Q: 12, Which of the statements is not correct about the element germanium? Group of answer choices A,…

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Q: Which of the following elements is the least metallic?   a. Aluminum   b. Phosphorus   c. Magnesium…

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Q: Beryllium (Be) is in the box on the periodic table shown. Lithium (Li), boron (B), and carbon (C)…

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

A: We would use periodic table to answer these questions.

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

A: Note: Group 1A to 8A all have atomic number ⩽92.  Group 1 and 2 constitute the metals: a). Group 1…

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Group 14 Elements

The following elements come under group 14 of the periodic table.