Classify each element. Note that another term for main group is representative, another term for semimetal is metalloid, and theinner transition metals are also called the lanthanide and actinide series.Transition metalInner transition metalMain-group metal(representative metal) (representative nonmetal)Main-groupsemimetalMain-group nonmetal(lanthanide/actinide)(metalloid)Answer BankSiRnSeEuInHfTaQuestion Source: McQuarrie, Rock, And Gallogly 4e General Chemsitry Publisher: Univer

the element is classified into different categories according to their behaviour is:

Answered: Classify each element. Note that…

Introductory Chemistry: An Active Learning Approach

6th Edition

ISBN:9781305079250

Author:Mark S. Cracolice, Ed Peters

Publisher:Mark S. Cracolice, Ed Peters

Chapter11: Atomic Theory :the Quantum Model Of The Atom

Section: Chapter Questions

Problem 106E

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Similar questions

lement X, which has a valence shell configuration of ns2np4 , was isolated in a laboratory. Which of the following statements is(are) true concerning element X? Element X has chemical properties similar to those of the halogens. Element X has six valence electrons. When element X is reacted with calcium, the compound formed would most likely have the formula Ca2X . Element X needs to gain two electrons to attain a noble gas electron configuration. mg src=Images/HTML_99425-11-106AP_image001.jpg alt="" align="top"/>
List the characteristic physical properties that distinguish the metallic elements from the nonmetallic elements.
Calcium metal reacts with cold water as follows: Ca+2H2OCa(OH)2+H2 Magnesium metal does not react with cold water. What behavior toward cold water would you predict for strontium and barium? Write equations to represent any predicted reactions.
Predict the atomic number of the (as yet undiscovered) element in the seventh period that is a halogen.
The horizontal rows of the periodic table are called: a. families b. group c. representative elements d. periods
What are the elements in the A columns of the periodic table called a.Main group elements b. Inner transition metals c. metalloids d. Transition metals
A main group element with the valence electron configuration 5s1 is in periodic group_______ .It forms a monatomic ion with a charge of________ .
The Atomic Number is the number of protons an element has, if that element has no charge, it will have the same number of electrons. Electrons have very little weight, but protons and neutrons have a weight that is larger. So, ATOMIC MASS = # of PROTONS + # of NEUTRONS Therefore, you can calculate the number of neutrons an element has by subtracting the atomic number from the atomic mass. Let’s do some examples to be sure we understand. We’ve provided an abbreviated periodic table that lists the elements we use in biology. Use this table to fill out this data chart. ELEMENT ATOMIC MASS ATOMIC NUMBER NUMBER OF NEUTRONS Na A B C Si D E F Al G H I
In the periodic table of theelements, elements in a single column have the samenumber of electrons that can participate in a chemical reaction. These electrons are known as “valence electrons.”For example, the elements in the first column all have asingle valence electron—an electron that can be “donated”in a chemical reaction with another atom. What is themeaning of a mass number shown in parentheses?
Show the locations of (a) alkali metals, (b) alkalineearth metals, (c) the halogens, and (d) the noble gases inthe given outline of a periodic table. Also draw dividinglines between metals and metalloids and betweenmetalloids and nonmetals.
Platinum is a precious metal used in a wide variety of products. Besides fi ne jewelry, platinum is also the catalyst found in the catalytic converters of automobile exhaust systems, and platinum-containing drugs like cisplatin are used to treat some lung and ovarian cancers. Answer the following questions about the element platinum. a. What is its element symbol? b. What group number and period are assigned to platinum? c. What is its atomic number? d. Is platinum classifi ed as a main group element, transition metal, or inner transition metal? e. In what block does platinum reside? f. What is unusual about the electronic confi guration for platinum: [Xe]6 s14 f145 d9?
What is the term for the elements that belong to Groups IIIB-IIB (Groups 3-12)?

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