Which group elements show very low ionization enthalpy in the periodic table?

Which group elements show very low ionization enthalpy in the periodic table?
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Answer :

First group elements (alkali metals) 
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(a). Which is largest in size- Cu+ , Cu+2, Cu and why? (b). which element in the periodic table has the highest ionization enthalpy? (c). Which element is more metallic in the periodic table.?

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Last Answer : Ans. (a). Cu is largest due to less effective nuclear charge. It has 29 electrons, 29 protons, Cu+ has 28 electrons and 29 protons, Cu2+ has 27 electrons and 29 protons. (b). He has highest ionization enthalpy. (c). Mg is more metallic due to lower ionization energy

From the elements: Cl, Br, F, O, Al, C, Li, Cs and Xe; choose the following: (a) The element with highest negative electron gain enthalpy. (b) The element with lowest ionization enthalpy. (c) The element with smallest ionic radius. (d) The element with six electrons in the valence shell. (e) The element which is a liquid at room temperature. (f)The element which belongs to zero group. (g) The elements which forms largest number of compounds.

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Last Answer : Ans. (a). The element chlorine (Cl) has the highest negative electron gain enthalpy. (b). The element cesium (Cs) has lowest ionization enthalpy. (c). The element fluorine F has lowest atomic radius. (d ... zero group (or group 18). (g). The element carbon (C) forms the largest number of compounds.

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Why the ionization enthalpy decreases down the group ?

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Last Answer : This is because, the Increase in atomic size is more predominant over increasing nuclear charge and the outer most electrons are very well screened from the nuclear charge by the inner shell electrons 

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

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Last Answer : ANSWER: X -- ALKALI METAL

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

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Last Answer : ANSWER: Y -- NUCLEAR CHARGE

Define ionization enthalpy. Name the factors on which ionisation enthalpy depends? How does it vary down the group and across a period?

Description : Define ionization enthalpy. Name the factors on which ionisation enthalpy depends? How does it vary down the group and across a period?

Last Answer : Define ionization enthalpy. Name the factors on which ionisation enthalpy depends? How does it vary down the group and across a period?

What trend does the ionization energy follow in the periodic table?

Description : What trend does the ionization energy follow in the periodic table?

Last Answer : It decreases when going down a group.

What trends does the first ionization energy follow going across the periodic table?

Description : What trends does the first ionization energy follow going across the periodic table?

Last Answer : The correct answer is: The ionization energy increases becausethere are more protons to pull on the electrons.

Elements present in the 2nd Group of the Periodic Table are also called ?

Description : Elements present in the 2nd Group of the Periodic Table are also called ?

Last Answer : Ans alkaline earth metals

Name the elements present in the 2nd Group of the Periodic Table:

Description : Name the elements present in the 2nd Group of the Periodic Table:

Last Answer : Ans beryllium, magnesium, calcium, strontium, barium and radium

Name the elements present in the 2nd Group of the Periodic Table:

Description : Name the elements present in the 2nd Group of the Periodic Table: 

Last Answer : beryllium, magnesium, calcium, strontium, barium and radium. These elements with the exception of beryllium are commonly known as the alkaline earth metals. 

Name the elements present in the 1st Group of the Periodic Table

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Last Answer :  lithium, sodium, potassium, rubidium, caesium and francium. They are collectively known as the alkali metals. 

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Name this chemical element. The principal use of this element has been in solid-state electronic devices, notably transistors. Its position in the periodic table is in group "4A". The element's atomic number is 32 and its chemical symbol is Ge.

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Last Answer : ANSWER: GERMANIUM

What is the family name given to the elements in group 1A of the periodic table?

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Last Answer : ANSWER: ALKALI METALS

The elements in group 1A of the periodic table are called: w) halogens x) alkaline earths y) alkali metals z) rare earths

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Last Answer : ANSWER: Y -- ALKALI METALS

The order of Ionization enthalpy between following atoms is?

Description : The order of Ionization enthalpy between following atoms is?

Last Answer : B, Tl, Ga, Al and In. Ans.B>Tl>Ga> Al> In.

How does the of Ionization Enthalpy of alkaline earth metals vary in comparison to alkali metals

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From each set, choose the element with largest ionization enthalpy and explain your answer. (a) F, O, N (b) Mg, P, Ar (c) B, Al, Ga

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Arrange the following order of the property indicated: (a). F, Cl, Br and I (negative electron gain enthalpy) (b). Mg, Al, Si and Na (ionization enthalpy) (c). C, N, O and F (second ionization enthalpy)

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Last Answer : Ans. (a). I

How does the of Ionization Enthalpy of alkaline earth metals vary in comparison to alkali metals

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Last Answer : The alkaline earth metals have low ionization enthalpies due to fairly large size of the atoms. Since the atomic size increases down the group, their ionization enthalpy decreases The first ionisation ... of the alkaline earth metals are smaller than those of the corresponding alkali metals.  

How the ionization enthalpy varies in alkali metals

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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

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

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

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

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List the elements of 15 th group of the periodic table. Name the distinct metals and non-metals of the group.

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What groups of elements should have very different chemical properties in the periodic table?

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Last Answer : Feel Free to Answer

Which element from the following pairs has higher ionization enthalpy? B and TI, N and Bi

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a. Which atom should have smaller ionization enthalpy, oxygen or sulfur? b. The lithium forms +1 ions while berylium forms +2 ions ?

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Ionization enthalpy of Li is 520 kJ mol^(-1) while that of F is 1681 kJ mol^(-1) . Explain.

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