What is the name given to group 7A     alkali metals      alkaline earth metals     noble gases     halogens

Q: Explain how it is possible for one element to have a higher atomic number than another and yet have…

A: Atomic mass of any element is actually its average atomic mass which is calculated by the addition…

Q: which of the following statements is not part of Dalton's original atomic theory?  all atoms of one…

A: According to Dalton's atomic theory, Atoms are indivisible. i.e. there is no subatomic particles…

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: HA Element Investigation Directions: Research an element and prepare a piece of the periodic table.…

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

Q: Family # of Valence E- Reactivity Metal/Nonmetal Alkali High reactivity Metals Halogens Noble Gases

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Q: An element X has 16 protons (p+1); 16 electrons (e-1) and 16 neutrons (n0). b) What is the period…

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Q: Which of the following is a halogen? ○ argon ○ oxygen ○ nitrogen ○ chlorine

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

Q: Which of the following incorrectly matches an element with a group name? Rb is an alkali metal Cl is…

A: Groups in periodic table are verticle columns. Total 18 groups are there in the periodic table.…

Q: Draw the energy-level diagram for the atom of each of the following elements: (a) boron (b)…

A: The energy-level diagram for the atom of each of the following elements has to be drawn.

Q: The periodic table is organized into groups and periods of elements. The characteristics of a…

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

A: All elements have a tendency to attain filled valence shell. Hence, elements react to attain a…

Q: Arrange the following elements in order of increasing metallic character: Clear All antimony LEAST…

A: Given: some elements are given and there metallic character To find: Match correctly  Solution:…

Q: Determine the element symbol, mass number, and charge for an atom or ion that has a 51 neutrons, 38…

A: Given: neutrons=51protons=38electrons=36 To determine: Element symbol Mass number Charge of atom

Q: 7.92 For each pair of elements listed, give three properties that show their chemical similarity:…

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Q: Determine whether each element is a main-group element.a. tellurium b. potassiumc. vanadium d.…

A: Main group elements are the elements of s and p block. In s-block , group 1 and group 2 are present.

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: To what group number does each element belong?(a) germanium(b) nitrogen(c) sulfur(d) carbon(e) boron

A: An atom is the basic and fundamental unit of matter. An atom consists of electrons and the nucleus…

Q: predict the charge of an element based on it's position on the periodic table P  Na S  Cl  Mg…

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Q: Based on the periodic law, which element would have similar properties to arsenic? francium (Fr)…

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Q: 1 Elements in Group 8A are known as the ________. Group of answer choices noble gases halogens…

A: 1. Group 8A (or VIII A) elements are : helium (He), neon (Ne), argon (Ar), krypton (Kr), xenon (Xe),…

Q: Group the elements into pairs that would most likely exhibit similar chemical properties. It does…

A: Chemical properties of any element depends on the number of valence electron the element is having.…

Q: elements as a metal, non metal or metalloid

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Q: Fill in each line with the Chemical Symbol of the element being described: The Noble gas with the…

A: These all answers are based on periodic table .

Q: III. Choose the element being described using the hypothetical elements in the periodic table below.…

A: 1A group stands for alkali metals and group 2A is alkaline earth metals . As we go down the group…

Q: Classify each element as a metal, a semimetal, or a nonmetal. Metal Semimetal (metalloid) Nonmetal

A: Since you have asked multiple question, we will solve the first question for you. If youwant any…

Q: Which of the following elements would be expected to have chemical and physical properties most…

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Q: 5A 6A 7A 1A H. Li 2A ЗА 4A 8A He Ne Ar Kr Be Mg Са Na P. Al Ga Si CI Br According to this…

A: Modern periodic table was prepared by Henry Mosley which is based on modern periodic law according…

Q: 7.) Identify the following elements: a. period 5 alkali metal. 5 halogen. b. period 4 halogen. C.…

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Q: Which of the following elements is the largest? O Aluminum, Al (#13) O Indium, In (#49) Antimony, Sb…

A: We are authorised to solve only one question at a time. Please post rest of the question separately.

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: The category of includes the majority of the elements on the periodic table. : Metals : Nonmetals :…

A: Periodic table comprises 18 groups and 7 periods. Metals are present on the left side of the…

Q: Define the term main group element. Then, determine the charge that an atom of each of the following…

A: We have been asked to define the term main group element and to assign charges to the atom when…

Q: Classify each of the following fourth-row elements as an alkali metal, an alkaline earth metal, a…

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Q: Give the name, atomic symbol, and group number of theelement with the following Zvalue, and classify…

A: The periodic table contains 18 groups and 7 periods. The Z represents the atomic number of the given…

Q: Identify the element that fits each description. An alkali metal in period 6 a main group element in…

A: Given :-  An alkali metal in period 6 a main group element in period 3, group 7 A main group…

Q: 1. Write the number and name (if any) of the group (family) to which each of the following elements…

A: In the periodic table,  The vertical columns are called groups. There are 18 groups in total in the…

Q: Identify the following elements, giving their name and atomic symbol. a gaseous element in Group…

A: 1) Chlorine Cl atomic number is 17 2) Technitium Tc atomic number is 43

Q: Give the group name for each of the following elements:(a) krypton(b) selenium(c) barium(d) lithium

A: The group name for given elements has to be given.

Q: Which element would have properties similar to calcium? Potassium Scandium Barium Zirconium

A: In the periodic table elements are arranged in their incraesing atomic number as result the elements…

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

A: 1.  True. - elements of same groups have similar physical and chemical properties. 2.  False. -…

Q: Identify the group number corresponding to each of the following families of elements. alkali…

A: In the modern periodic table, there are seven-period and eighteen groups. In a group, the electronic…

Q: A) Period 3 alkaline earth metal: B) Period 5 noble gas: C) Period 3 element with 4 valence…

A: Answer a, b & c ) :  A) Period 3 alkaline earth metal = ?  B) Period 5 Noble gas = ?  C) Period…

Q: Identify these elements based on their locations in the periodic table. Give the symbol, not the…

A: The standard periodic table consists of 7 horizontal rows called as periods and 18 vertical rows…

Q: ● Type the letter of the element that is a halogen in the 2nd period A/ ● Type the letter of one…

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

Q: Classify each of the following as a metal, nonmetal, or metalloid.   arsenic argon calcium plutonium

A: Arsenic is element of p-block and considered as metallic. Argon is noble gas and classified as…

Q: What is the charge of the silver ion in Ag,S? Select one: -1 O +2 O +1 O -2

A: Charge refers to the number assigned to the atom of a chemical compound which represents the number…

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

A: To specify the group whose element has 3 –, 2 – and, 1 – ionic charge on it.