La belongs to group 3 while Hg belongs to group 12 and both belong to period 6 of the periodic table.

1 Answer

Answer :

La belongs to group 3 while Hg belongs to group 12 and both belong to period 6 of the ... from La to Hg together using orbital notation method.

Related questions

Description : (a) What are groups' and periods' in the periodic table'? (b) Two elements M and N belong to group I and II respectively and are in the same period of the periodic ... Sizes of their atoms Their metallic characters Their valencies in forming oxides Molecular formulae of their chlorides -Science

Last Answer : (a) The vertical columns in the periodic table are called groups'. The horizontal rows in the periodic table are called periods'. (b) M' and N' belong to same period but group I ... oxides. Valency goes on increasing first and then decreases. MCI, NCI2 are molecular formulae of their chlorides.

Description : Nitrogen (atomic number 7) and Phosphorous (atomic number 15) belong to group 15 of the periodic table. Which of these will be more electro negative? Why?

Last Answer : Nitrogen will be more electro negative as it decreases down the group.

Description : a. 1s^2  b. 1s^22s^22p^6 In which group and period of the periodic table they are placed?

Last Answer : The electronic configuration of some elements are given below : a. 1s2 b. 1s22s22p6 In ... and period of the periodic table they are placed?

Description : Referring to the periodic table of elements, it is found that with increasing atomic number. The atomic size in the same (A) Period increases (B) Period decreases (C) Group increases (D) Both 'b' & 'c'

Last Answer : Option D

Description : Ozone belongs to which groups of the periodic table?

Last Answer : Ozone belongs to which groups of the periodic table? A. IVA B. VA C. VIA D. VIIA

Description : a) What is meant by periodicity in properties of elements with reference to the periodic table? (b) Why do all the elements of the same group have similar properties? (c) How will the tendency to gain electrons change as we go from left to right across a period? Why? -Science

Last Answer : (a) The repetition of same properties after definite interval is called periodicity in properties. (b) It is because they have same valence electrons therefore, have similar properties. (c) ... to right in a period because atomic size goes on decreasing and effective nuclear charge increases.

Description : Taking first period and 17 th group of the periodic table, write gradation of properties with respect to the following: a) atomic size b) Ionisation energy c) electro positivity and electro negativity.

Last Answer : The elements of 1 st period are hydrogen and helium. a) Atomic size of hydrogen is larger then that of helium because atomic size decreases across a period. b) Ionisation energy of helium ... higher as it increases down the group. Electro negativity of fluorine as it decreases down the group.

Description : What are rows in Periodic table called? A. Period (Answer) B. Group C. Verticals D. Perpendiculars

Last Answer : A. Period (Answer)

Description : What are Columns in Periodic table called? A. Period B. Group (Answer) C. Verticals D. Perpendiculars

Last Answer : B. Group (Answer)

Description : In the periodic table, which of the following identifies a horizontal row? w) period x) group y) family z) series

Last Answer : ANSWER: W -- PERIOD

Description : The elements of the third period of the Periodic Table are given below: periodic-classification-of-elements-chapter-wise-important-questions-class-10-science-1 (a) Which atom is bigger, Na or Mg? Why? (6) Identify the most (i) metallic and (ii) non-metallic element in Period 3. -Science

Last Answer : (a) Sodium is bigger than magnesium as it has lesser nuclear charge so there is less force of attraction between nucleus and valence electrons and less effective nuclear charge. It is, therefore, ... the most non-metallic element because it can gain electrons easily due to its smallest atomic size.

Description : In a constant pressure process steam is generated from 10 bar and 0.8 dry condition till it become dry and saturated. Determine amount of heat added per kg of steam. From steam table at 10 bar Tsat = 179.9°C hf = 762.6 kl/kg, hg = 2776.2 kJ/kg 

Last Answer : Constant pressure process Final condition of steam is dry saturated Enthalpy of dry steam = hg= hf + hfg =2776.2 KJ/Kg .Given Latent heat of vaporization = hfg = hg - hf =2776.2-762.6 =2013.6 KJ/Kg Initial condition ... hfg = 762.6+0.8 X 2013.6 =2373.48 KJ/Kg Heat added = hg-hw = 402.72 KJ/kg

Description : There are 80 pupils in the Grade 6 level. If 15% of the Grade 6 level belongs to soccer club, how many pupils belong to the soccer club?

Last Answer : 80 x .15 = 12 pupils

Description : 1The elements of the second period of the Periodic Table are given below: Li Be B C N O F (a) Give reason to explain why atomic radii decrease from Li to F. (b) Identify the most (i) metallic and (ii)non-metallic element. -Science

Last Answer : a) It is because nuclear charge increases due to increase in atomic number, therefore, force of attraction between nucleus and valence electrons increases, i.e. effective nuclear charge increases, hence ... element is ‘F’ because it can gain electrons easily due to smallest atomic size.

Description : In modern periodic table, the period number indicates the :

Last Answer : In modern periodic table, the period number indicates the : a. atomic number b. atomic ... . principal quantum number d. azimuthal quantum number

Description : What is the second period at the bottom of the periodic table?

Last Answer : Actinides

Description : In the periodic table of elements, on moving from left to right across a period, the atomic radius – (1) decreases (2) increases (3) remains unchanged (4) does not follow a definite pattern

Last Answer : (1) decreases Explanation: The atomic radius is the distance from the atomic nucleus to the outermost stable electron orbital in an atom that is at equilibrium. It tends to decrease across a period from ... usually increases while going down a group due to the addition of a new energy level (shell).

Description : Which period have the largest number of elements in the periodic table?

Last Answer : The sixth period

Description : The longest period of the periodic table?

Last Answer : Sixth period

Description : The shortest period of the periodic table?

Last Answer : First period

Description : The incomplete period in the periodic table is

Last Answer : seventh period.

Description : The longest period in the periodic table is

Last Answer : sixth period

Description : The shortest period in the periodic table is

Last Answer : first period.

Description : Give reason: In the first period, hydrogen and helium are not placed adjacent to each other OR There is a big gap between hydrogen and helium in the periodic table.

Last Answer : Because Hydrogen and Helium belong to different groups. The Hydrogen element belongs to the 'Hydrogen' group, whereas the Helium element belongs to the 'noble gas'

Description : How is the electronic configuration of an atom related to the period in the periodic table?

Last Answer : Periods are formed according to the way in which electrons get filled up in different shells and orbitals. For example first period of the table is completed when the first shell of the atom is completely filled up

Description : List the short period, long period and incomplete periods in the modern periodic table

Last Answer : Periodnumber 1st 2 nd Description Veryshort 8 elements (Li to Ne) Long 18 elements (K to Kr) Very long 32 elements (Cs to Rn) Short 5 Long 4 th 6 th 7th 2 (H & He) Short ... of elements incomplete 8 elements ( Na to Ar) 18 elements (Rb to Xe) Rest of the elements (Fr onwards)

Description : Within a given period of the periodic table, the element with the lowest ionization energy is: w) transition metal x) alkali metal y) halogen z) noble gas

Last Answer : ANSWER: X -- ALKALI METAL

Description : Proceeding across a period in the Periodic Table, what atomic size trend is observed?

Last Answer : ANSWER: ATOMIC SIZE DECREASES

Description : As one goes across a period in the periodic table, the ionization energy generally increases for one of the following reasons. Is it because of the increasing w) atomic radius x) melting point y) nuclear charge z) density

Last Answer : ANSWER: Y -- NUCLEAR CHARGE

Description : In the periodic table of elements, on moving from left to right across a period, the atomic radius (1) decreases (2) increases (3) remains unchanged (4) does not follow a definite pattern

Last Answer : increases

Description : Why is it difficult to determine countries belong to Europe and belongs to southwest Asia?

Last Answer : There is no natural physical boundary between Europe and southwest Asia. -Apex

Description : Officially, hypertension is diagnosed when the patient demonstrates a systolic blood pressure greater than ______ mm Hg and a diastolic blood pressure greater than _____ mm Hg over a sustained period. a) ... , 70 Pressure of 120 systolic and 70 diastolic falls within the normal range for an adult.

Last Answer : a) 140, 90 According to the categories of blood pressure levels established by the JNC VI, stage 1 hypertension is demonstrated by a systolic pressure of 140–159 or a diastolic pressure of 90–99.

Description : What is the number of elements in the zero group of the periodic table ?

Last Answer : The number of elements in the zero group of the periodic table is 6 .

Description : Which group of periodic table have large negative energy of activation ?

Last Answer : Which group of periodic table have large negative energy of activation ? A. Alkali metal B. Zero group C. Halogen family D. Alkaline earth metal

Description : Astatine is the element below iodine in the group `VIIA` of the periodic table. Which of the following statements is not true for astatine?

Last Answer : Astatine is the element below iodine in the group `VIIA` of the periodic table. Which of the following ... iodine molecules. D. (D) None of these.

Description : A radioactive element is preset in VIII group of the periodic table. If it emits one `alpha`particle, the new position of the nuclide will be

Last Answer : A radioactive element is preset in VIII group of the periodic table. If it emits one `alpha`particle, the new ... . VI B B. VIII C. VIIB D. I B

Description : In which group of elements of the modern periodic table are halogen placed ?

Last Answer : In which group of elements of the modern periodic table are halogen placed? a. 17 b. 6 c. 4 d. 2

Description : What Group is Pb (lead) in click for the periodic table?

Last Answer : Lead is in the group 14 of the Periodic Table.

Description : In the periodic table does a set of properties repeat from group to group?

Last Answer : No. The properties of elements repeat from row to row (period toperiod).The groups on the table are the columns.

Description : What is group names of periodic table?

Last Answer : Group names of Periodic Table: alkali metals, alkaline earth metals, scandium-titanium-vanadium-chromium-manganese-iron-cobalt-nickel-zinc-boron-carbon groups, pnictogens, chalcogens, halogens, noble gases.

Description : In the periodic table does a set of properties repeat from group to group?

Last Answer : No. The properties of elements repeat from row to row (period toperiod).The groups on the table are the columns.

Description : What is group names of periodic table?

Last Answer : Group names of Periodic Table: alkali metals, alkaline earth metals, scandium-titanium-vanadium-chromium-manganese-iron-cobalt-nickel-zinc-boron-carbon groups, pnictogens, chalcogens, halogens, noble gases.

Description : Magnesium and calcium are in the same group on the periodic table. Which sentence best explains why they have similar properties?

Last Answer : C. They both have two......

Description : What structural feature of their atoms is characteristic of elements in a group of the periodic table?

Last Answer : The Periodic Table also has a special name for its vertical columns. Each column is called a group. The elements in each group have the same number of electrons in the outer orbital. Those outer electrons are also called valence electrons.

Description : An unknown element is a soft metallic solid. It is highly reactive and has a low melting point. In which group of the periodic table is it most likely to be found?

Last Answer : Sodium - group 1

Description : 1st noble gas group in the periodic table?

Last Answer : Helium