Elements with eight electrons in their outermost shell are called

Elements with eight electrons in their outermost shell are called
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noble gases
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What are transition elements? (1) Elements whose two outermost shells are incomplete (2) Elements which possess properties of both, metals and non-metals (3) They have eight electrons in the outermost shell (4) Elements whose three outermost shells are incomplete

Description : What are transition elements? (1) Elements whose two outermost shells are incomplete (2) Elements which possess properties of both, metals and non-metals (3) They have eight electrons in the outermost shell (4) Elements whose three outermost shells are incomplete

Last Answer : (1) Elements whose two outermost shells are incomplete

Which one of the following statements concerning elements in the Periodic Table is correct? A Elements of the same group all have the same number of electrons in the outermost occupied electron shell. B Elements of Group 16 occur as cations in ionic compounds. C Oxides of elements in Groups 16 and 17 are basic. D The halogens (Group 17) are all gases at room temperature. E The Group 13 elements are all metals.

Description : Which one of the following statements concerning elements in the Periodic Table is correct? A Elements of the same group all have the same number of electrons in the outermost occupied electron shell. B ... (Group 17) are all gases at room temperature. E The Group 13 elements are all metals.

Last Answer : D) Are compounds that exhibit both metallic & non-metallic properties to some extent and are exemplified by elements like germanium, silicon & boron

In general the number of electrons in the outermost shell of the metal is A)1B)1 to 3 C)5 to 8 D)8

Description : In general the number of electrons in the outermost shell of the metal is A)1B)1 to 3 C)5 to 8 D)8

Last Answer : B)1 to 3

Why are electrons in the outermost shell are important?

Description : Why are electrons in the outermost shell are important?

Last Answer : Because they determine how the element will combine with otherelements

The periodic table arranges elements by the number of ____ in their outermost energy levels. a. neutrons c. protons b. atoms d. electrons

Description : The periodic table arranges elements by the number of ____ in their outermost energy levels. a. neutrons c. protons b. atoms d. electrons

Last Answer : d. electrons

The noble gases have low boiling points because: w) their ionization potentials are very low x) only weak Van der Waals forces hold the atoms together y) they are produced by the fractional distillation of liquid air z) they have eight electrons in the outer shell

Description : The noble gases have low boiling points because: w) their ionization potentials are very low x) only weak Van der Waals forces hold the atoms together y) they are produced by the fractional distillation of liquid air z) they have eight electrons in the outer shell

Last Answer : ANSWER: X -- ONLY WEAK VAN DER WAALS FORCES HOLD THE ATOMS TOGETHER

which of the following gas does not have an octet or eight electrons in the outer shell?

Description : which of the following gas does not have an octet or eight electrons in the outer shell?

Last Answer : which of the following gas does not have an octet or eight electrons in the outer shell? A. Neon B. Radon C. Argon D. Helium

A characteristic of the noble gases is that they all: w) have eight electrons in the outer shell x) have low stability y) form many compounds z) have filled outer electron shells

Description : A characteristic of the noble gases is that they all: w) have eight electrons in the outer shell x) have low stability y) form many compounds z) have filled outer electron shells

Last Answer : ANSWER: Z -- HAVE FILLED OUTER ELECTRON SHELLS

The energy required to remove the electron from the outermost shell from a free and isolated atom of the element is called

Description : The energy required to remove the electron from the outermost shell from a free and isolated atom of the element is called

Last Answer : Ionisation energy.

The distance between the centre of the nucleus and the outermost electron shell of an atom is called

Description : The distance between the centre of the nucleus and the outermost electron shell of an atom is called

Last Answer : atomic size

Why cesium requires little energy to release its one elecron of outermost shell?

Description : Why cesium requires little energy to release its one elecron of outermost shell?

Last Answer : The distance between the nucleus an this electron is higher.

Emission of β-particles during radioactive decay of a substance is from (A) Innermost shell (B) Nucleus (C) Outermost shell (D) None of these

Description : Emission of β-particles during radioactive decay of a substance is from (A) Innermost shell (B) Nucleus (C) Outermost shell (D) None of these

Last Answer : (B) Nucleus

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.

Description : 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. ( ... . (f)The element which belongs to zero group. (g) The elements which forms largest number of compounds.

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.

Which one of the following elements has valence electrons in the n = 3 shell? A beryllium B oxygen C silicon D neon E hydrogen

Description : Which one of the following elements has valence electrons in the n = 3 shell? A beryllium B oxygen C silicon D neon E hydrogen

Last Answer : C silicon

The electrons in the outermost orbit of atom are: a) Valance electrons b) Static electrons c) Tightly bound d) Stationary

Description : The electrons in the outermost orbit of atom are: a) Valance electrons b) Static electrons c) Tightly bound d) Stationary

Last Answer : a) Valance electrons

The electrons present in the outmost shell of an atom is called?

Description : The electrons present in the outmost shell of an atom is called?

Last Answer : Valence electrons

Electrons which are free to move around are also called A. conduction electrons B. valence shell electrons C. inner electrons D. electron sea

Description : Electrons which are free to move around are also called A. conduction electrons B. valence shell electrons C. inner electrons D. electron sea

Last Answer : conduction electrons

How many electrons can be accommodated in the M shell?

Description : How many electrons can be accommodated in the M shell?

Last Answer : Answer: 18.

What is the atomic number of the element which has 3 electrons in its M shell?

Description : What is the atomic number of the element which has 3 electrons in its M shell?

Last Answer : Answer: 13.

The element with the minimum atomic number having 8 electrons in the outer most shell is what?

Description : The element with the minimum atomic number having 8 electrons in the outer most shell is what?

Last Answer : Answer: Neon.

The maximum number of electrons in a shell?

Description : The maximum number of electrons in a shell?

Last Answer : 2nA2 (n = Number of shell)

Draw the atomic structure of (i) an atom with same number of sub-atomic particles, (ii) an atom with same number of electrons in L and M shell. -Chemistry 9th

Description : Draw the atomic structure of (i) an atom with same number of sub-atomic particles, (ii) an atom with same number of electrons in L and M shell. -Chemistry 9th

Last Answer : (i) Oxygen Number of electrons = 8 Number of protons= 8 Number of neutron= 8 (ii) Argon Atomic number =18=2,8,8 No of electrons in L shell = 8 No of electrons in M shell = 8

What is the number of electrons in the last shell of a halogen element ?

Description : What is the number of electrons in the last shell of a halogen element ?

Last Answer : : The number of electrons in the last shell of halogen elements is 5 .

The total number of electrons present in `4^"th"` shell of Astatatine (`._85At`) are:

Description : The total number of electrons present in `4^"th"` shell of Astatatine (`._85At`) are:

Last Answer : The total number of electrons present in `4^"th"` shell of Astatatine (`._85At`) are:

The number of electrons, present in the valence shell of carbon of carbanion bearing `-ve` charge, is:

Description : The number of electrons, present in the valence shell of carbon of carbanion bearing `-ve` charge, is:

Last Answer : The number of electrons, present in the valence shell of carbon of carbanion bearing `-ve` charge, is: A. 8 B. 7 C. 6 D. 4

The number of electrons present in the valence shell of carbon of `CH_(3)overset(+)(C)H_(2)` ion bearing `+ve` charge:

Description : The number of electrons present in the valence shell of carbon of `CH_(3)overset(+)(C)H_(2)` ion bearing `+ve` charge:

Last Answer : The number of electrons present in the valence shell of carbon of `CH_(3)overset(+)(C)H_(2)` ion bearing `+ve` charge: A. 8 B. 7 C. 6 D. 4

How many electrons are in the valence shell of I in IF4-?

Description : How many electrons are in the valence shell of I in IF4-?

Last Answer : Need answer

How many electrons can the 3rd atom shell hold?

Description : How many electrons can the 3rd atom shell hold?

Last Answer : Need answer

How many electrons are needed to make stable shell?

Description : How many electrons are needed to make stable shell?

Last Answer : A stable shell has 8 electrons.

How does an atom gets a full shell of electrons?

Description : How does an atom gets a full shell of electrons?

Last Answer : The nonmetals usually gain or share however many electrons theyneed to complete their outer shell. Metals tend to lose theelectrons in their outer shell, so that one of the inner shellsessentially becomes the outer shell.

Valence electrons are the electrons found on the last shell of an atom true or fase?

Description : Valence electrons are the electrons found on the last shell of an atom true or fase?

Last Answer : TRUE

(3) the number of electrons orbiting around the nucleus Explanation: The chemical behavior of an atom is determined by the number of electrons on its outer shell. As for the chemical bonding properties of the atom, the electron configuration determines how it will bond, with what it will bond, and in what ratio atoms will bond to form the 20,000,000 different substances on Earth.

Description : (3) the number of electrons orbiting around the nucleus Explanation: The chemical behavior of an atom is determined by the number of electrons on its outer shell. As for the chemical bonding properties of ... , and in what ratio atoms will bond to form the 20,000,000 different substances on Earth.

Last Answer : Methyl phenyl ether can be obtained by reacting - (1) phenolate ions and methyl iodide (2) methoxide ions and bromobenzene (3) methanol and phenol (4) bromobenzene and methyl bromide

The number of electrons in the outer shell of the most stable or inert atoms is (1) 1 (2) 5 (3) 3 (4) 8

Description : The number of electrons in the outer shell of the most stable or inert atoms is (1) 1 (2) 5 (3) 3 (4) 8

Last Answer : (4) 8 Explanation: The innermost shell has a maximum of two electrons, but the next two electron shells can each have a maximum of eight electrons.

Which element has two electrons in the K-shell only?

Description : Which element has two electrons in the K-shell only?

Last Answer : Helium

If an element has two electrons in the first shell and seven in the second shell, the element is said to be what? a. Unstable b. Unreactive c. Stable d. Inert

Description : If an element has two electrons in the first shell and seven in the second shell, the element is said to be what? a. Unstable b. Unreactive c. Stable d. Inert

Last Answer : a. Unstable

By the transition of inner shell electrons in heavy atoms, high energy photons are emitted which are a) gamma rays b) X-rays c) radio waves d) photon rays

Description : By the transition of inner shell electrons in heavy atoms, high energy photons are emitted which are a) gamma rays b) X-rays c) radio waves d) photon rays

Last Answer : b) X-rays

How many electrons are there in the valence shell of the O2– ion? A 2 B 8 C 10 D 16 E 18

Description : How many electrons are there in the valence shell of the O2– ion? A 2 B 8 C 10 D 16 E 18

Last Answer : B 8 

How many electrons are there in the valence shell of a calcium atom?

Description : How many electrons are there in the valence shell of a calcium atom?

Last Answer : ANSWER: 2

Which of the following is the maximum number of electrons that can be present in M-shell? (1) 2 (2) 8 (3) 18 (4) 32

Description : Which of the following is the maximum number of electrons that can be present in M-shell? (1) 2 (2) 8 (3) 18 (4) 32

Last Answer : 18

Intrinsic semiconductor material is characterized by a valence shell of how many electrons?

Description : Intrinsic semiconductor material is characterized by a valence shell of how many electrons? a) 1 b) 2 c) 4 d) 6

Last Answer : Intrinsic semiconductor material is characterized by a valence shell of 4 electrons.

Why is there a tedency for electrons to settle around a nuclei in up to eight layers?

Description : Why is there a tedency for electrons to settle around a nuclei in up to eight layers?

Last Answer : Quantized energy levels result from the relation between a particle's energy and its wavelength. For a confined particle such as an electron in an atom, the wave function has the form of ... next possible orbit has a distance twice the electron's wavelength. There can be nothing in between.

(1) they contain free electrons Explanation: Metals typically consist of closepacked atoms, meaning that the atoms are arranged like closely packed spheres. Two packing motifs are common, one being bodycentered cubic wherein each metal atom is surrounded by eight equivalent atoms. The other main motif is face-centered cubic where the metal atoms are surrounded by six neighboring atoms. Several metals adopt both structures, depending on the temperature.

Description : (1) they contain free electrons Explanation: Metals typically consist of closepacked atoms, meaning that the atoms are arranged like closely packed spheres. Two packing motifs are common, one ... surrounded by six neighboring atoms. Several metals adopt both structures, depending on the temperature.

Last Answer : Helium gas is filled in ballons because (1) its atomic number is 2 (2) it is lighter than air (3) it is one of the constitutents of water (4) it is a noble gas

The outermost orbit of an atom is called?

Description : The outermost orbit of an atom is called?

Last Answer : Valence shell.

The outermost layer of the Earth is called ------? A. Crust (Answer) B. Mental C. Core D. None of these

Description : The outermost layer of the Earth is called ------? A. Crust (Answer) B. Mental C. Core D. None of these

Last Answer : A. Crust (Answer)

The outermost layer of the Sun is called (1) chromosphere (2) photosphere (3) corona (4) lithosphere

Description : The outermost layer of the Sun is called (1) chromosphere (2) photosphere (3) corona (4) lithosphere

Last Answer : (3) corona Explanation: Our Sun is surrounded by a blanket of gases called ‘an atmosphere'. The corona is the outermost part of the Sun’s atmosphere.

The outermost range of Himalaya is called - (1) Kali (2) Shiwalik (3) Dehradun (4) Kumaon

Description : The outermost range of Himalaya is called - (1) Kali (2) Shiwalik (3) Dehradun (4) Kumaon

Last Answer : (2) Shiwalik Explanation: The Sivalik Hills is the outermost range of the Himalayas. Also known as Manak Parbat, it located in between the Great Plains and Lesser or Middle Himalayas.

The outermost layer of sun is called – (1) Lithosphere (2) Chromosphere (3) Photosphere (4) Corona

Description : The outermost layer of sun is called – (1) Lithosphere (2) Chromosphere (3) Photosphere (4) Corona

Last Answer : (4) Corona Explanation: The corona is the outermost layer of the Sun, starting at about 1300 miles (2100 km) above the solar surface (the photosphere). The temperature in the corona is 500,000 K ... with the naked eye except during a total solar eclipse. The corona does not have an upper limit.

The outermost layer of the Sun is called (1) Chromosphere (2) Photosphere (3) Corona (4) Lithosphere

Description : The outermost layer of the Sun is called (1) Chromosphere (2) Photosphere (3) Corona (4) Lithosphere

Last Answer : (3) Corona Explanation: The outermost layer of the sun is the corona. Only visible during eclipses, it is a low density cloud of plasma with higher transparency than the inner layers. The ... into space, most easily seen during a total solar eclipse, but also observable in a coronagraph.

The outermost range of Himalaya is called – (1) Kali (2) Shiwalik (3) Dehradun (4) Kumaon

Description : The outermost range of Himalaya is called – (1) Kali (2) Shiwalik (3) Dehradun (4) Kumaon

Last Answer : (2) Shiwalik Explanation: The Sivalik Hills is the outermost range of the Himalayas. Also known as Manak Parbat, it located in between the Great Plains and Lesser or Middle Himalayas. This range ... the Brahmaputra, with a gap of about 90 kilometres between the Teesta and Raidak rivers in Assam.

The outermost layer of the Sun is called (1) chromosphere (2) photosphere (3) corona (4) lithosphere

Description : The outermost layer of the Sun is called (1) chromosphere (2) photosphere (3) corona (4) lithosphere

Last Answer : (3) corona Explanation: Our Sun is surrounded by a blanket of gases called ‘an atmosphere'. The corona is the outermost part of the Sun’s atmosphere.