What is the valence of titanium ?

Last Answer : (4) Titanium Explanation: Elements known to be present on the lunar surface include, among others, oxygen(O), silicon (Si), iron (Fe), magnesium (Mg), calcium (Ca), aluminium (Al),manganese (Mn) and titanium (Ti).

Which of the following elements replaced eka-Aluminium in Mendeleev's Periodic Table? (1) Scandium (2) Gallium (3) Titanium (4) Germanium

Description : Which of the following elements replaced eka-Aluminium in Mendeleev's Periodic Table? (1) Scandium (2) Gallium (3) Titanium (4) Germanium

Last Answer : (2) Gallium

What is used as a photocatalyst? a) Titanium dioxide b) Lead chromate c) Cobalt pigments d) Iron oxide

Description : What is used as a photocatalyst? a) Titanium dioxide b) Lead chromate c) Cobalt pigments d) Iron oxide

Last Answer : a) Titanium dioxide

Which oxide of the following metals is often used as a pigment in white paint? w) titanium x) cobalt y) nickel z) vanadium

Description : Which oxide of the following metals is often used as a pigment in white paint? w) titanium x) cobalt y) nickel z) vanadium

Last Answer : ANSWER: W -- TITANIUM

Difference between Valency and Valence electrons ? -Chemistry

Description : Difference between Valency and Valence electrons ? -Chemistry

Last Answer : 1 ) Valency : The ability to gain, loose and sharing of electrons is valency / combinig capacity atoms of other elements is valency. 2 ) Valence elctrons : Electrons present in the outermost shell of the atom is valence electrons.

What is the valence of calcium ?

Description : What is the valence of calcium ?

Last Answer : Calcium valence 2 .

What is the valence of potassium ?

Description : What is the valence of potassium ?

Last Answer : Potassium valence 1 .

What is the valence of chlorine ?

Description : What is the valence of chlorine ?

Last Answer : Chlorine valence 1, 3, 5, 7 .

What is the valence of phosphorus ?

Description : What is the valence of phosphorus ?

Last Answer : Phosphorus exhibits multiple combinations , as it exhibits 3 odd electrons in the normal state and 5 odd electrons in the excited state.

What is the valence of aluminum ?

Description : What is the valence of aluminum ?

Last Answer : Aluminum valence 3 .

What is the valence of magnesium ?

Description : What is the valence of magnesium ?

Last Answer : Magnesium valence 2 .

What is the valence of helium ?

Description : What is the valence of helium ?

Last Answer : Helium has zero viscosity.

What is the valence electron of fluorine ?

Description : What is the valence electron of fluorine ?

Last Answer : The valence of fluorine is seven.

What is the valence electron of phosphorus ?

Description : What is the valence electron of phosphorus ?

Last Answer : Phosphorus valence electron 5 .

(2) experience collision less frequently Explanation: When an electric field is applied, both the valence electrons and the free electrons move in the same direction. The hole direction is opposite to that of valence electron but the mobility is the same. Even for the same electric field, valence electrons cannot move as freely as the free electrons because its movement is restricted due to collisions. Therefore, the velocity of valence electrons is less compared to free electrons. In other words, the velocity of holes is less compared to free electrons. This means mobility is also less for a hole compared to free electron.

Description : (2) experience collision less frequently Explanation: When an electric field is applied, both the valence electrons and the free electrons move in the same direction. The hole direction is opposite to that ... to free electrons. This means mobility is also less for a hole compared to free electron.

Last Answer : Carbon dioxide is called a greenhouse gas because - (1) its concentration remains always higher than other gases (2) it is used in photosynthesis (3) it absorbs infrared radiation (4) it emits visible radiation

Atoms of different elements have - (1) same atomic number and same electronic configuration (2) different atomic number and same eletronic configuration (3) different atomic number and different number of valence electrons (4) same number of electrons and neutrons

Description : Atoms of different elements have - (1) same atomic number and same electronic configuration (2) different atomic number and same eletronic configuration (3) different atomic number and different number of valence electrons (4) same number of electrons and neutrons

Last Answer : (3) different atomic number and different number of valence electrons Explanation: Each element's atoms have a different number of protons, neutrons, and electrons, which is why they have different ... Their reactivity also varies because of the number and activeness of the electrons in the atom.

Electrons in the highest energy level of an atom are called _______. (1) valence protons (2) orbital protons (3) valence electrons (4) orbital electrons

Description : Electrons in the highest energy level of an atom are called _______. (1) valence protons (2) orbital protons (3) valence electrons (4) orbital electrons

Last Answer : (3) valence electrons Explanation: The outermost orbital shell of an atom is called its valence shell, and the electrons in the valence shell are valence electrons.

Indicate three differences between valence and oxidation number?

Description : Indicate three differences between valence and oxidation number?

Last Answer : Ans (i) Valency of an element cannot not be zero but oxidation number can be. (ii) Valency is just a number but oxidation number can be negative or positive. (iii) Valency is the combining capacity whereas oxidation number refers to charge which an atom carry when present in the combined state.

Explain the formation of H2 molecule on the basis of valence bond theory.

Description : Explain the formation of H2 molecule on the basis of valence bond theory.

Last Answer : Ans. When two H atoms come closer the following forces operate between them: a. Attractive : i.nucleus of atom and its electron ii.nucleus of one atom and electron of other. b.repulsive ... and the system acquires minimum energy .At this stage two hydrogen atoms are said to be bonded together.

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

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

Oxygen has a valence number of -1 in: w) Sodium Peroxide x) Potassium Chlorate y) Water z) Sodium Hydroxide

Description : Oxygen has a valence number of -1 in: w) Sodium Peroxide x) Potassium Chlorate y) Water z) Sodium Hydroxide

Last Answer : ANSWER: W -- SODIUM PEROXIDE

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

How many valence electrons does an atom of an element with an atomic number of twelve have?

Description : How many valence electrons does an atom of an element with an atomic number of twelve have?

Last Answer : ANSWER: TWO

Atoms of different elements have (1) same atomic number and same electronic configuration (2) different atomic number and same eletronic configu-ration (3) different atomic number and different number of valence electrons (4) same number of electrons and neutrons

Description : Atoms of different elements have (1) same atomic number and same electronic configuration (2) different atomic number and same eletronic configu-ration (3) different atomic number and different number of valence electrons (4) same number of electrons and neutrons

Last Answer : different atomic number and different number of valence electrons

How safe is titanium to handle?

Description : How safe is titanium to handle?

Last Answer : Basically safe, but the powder can go BOOM! 1 There’s some interest in the bioaccumulation over time too and what effects it might be having. 2

Can I charge electricity into my titanium prosthetics?

Description : Can I charge electricity into my titanium prosthetics?

Last Answer : Here is a chart showing the different electrical properties of different metals. It appears, if I'm reading it correctly, that it's not the best conductor of electricity. Much less than copper, about the same as ... power source. But dude if you try this and live to tell the tale, you must PM me.

Do You Use or Believe In Magnetics or Titanium Necklaces?

Description : Do You Use or Believe In Magnetics or Titanium Necklaces?

Last Answer : I cannot believe this . STILL no answers. I LOVE my magnetic bracelets . I think they stop carpal tunnel pain.

Anyone make a titanium 1L wide-mouth water bottle yet?

Description : Anyone make a titanium 1L wide-mouth water bottle yet?

Last Answer : No but I want one!

Hava Wireless HD Titanium?

Description : Hava Wireless HD Titanium?

Last Answer : So let me get this straight you have a tv which doesn’t have component inputs, and the device is composite. Well you can buy a cable converter which would allow you to use it. Just do a search on google, or goto a store and ask. :) I hope thats what you meant. :)

Which of the following is used as base material in Selective laser sintering (SLS)? a.Photopolymer b.Thermoplastics, Metal powders c.Titanium alloys d.Various materials

Description : Which of the following is used as base material in Selective laser sintering (SLS)? a.Photopolymer b.Thermoplastics, Metal powders c.Titanium alloys d.Various materials

Last Answer : b.Thermoplastics, Metal powders

Which of the following is used as base material in Electron Beam Melting (EBM) process? a.Titanium alloys b.Photopolymer c.Various materials d.Paper

Description : Which of the following is used as base material in Electron Beam Melting (EBM) process? a.Titanium alloys b.Photopolymer c.Various materials d.Paper

Last Answer : a.Titanium alloys

Which of the following is used as base material in Stereolithography (SLA) process? a.Thermoplastics , Metals powders b.Thermoplastics , Eutectic metals. c.Titanium alloys d.Photopolymer

Description : Which of the following is used as base material in Stereolithography (SLA) process? a.Thermoplastics , Metals powders b.Thermoplastics , Eutectic metals. c.Titanium alloys d.Photopolymer

Last Answer : d.Photopolymer

What is the Sign of Titanium ?

Description : What is the Sign of Titanium ?

Last Answer : Ti signal of titanium

What is Titanium 3x ? Medicine ?

Last Answer : et A Homeopathic Medicine 3 Usually Of men Fast Ejaculation Off The medicine Use To do Is 3

What is the chemical sign of titanium?

Description : What is the chemical sign of titanium and its main properties?

Last Answer : The chemical symbol for titanium is Ti. Main properties of titanium: Melting point: 1 668 ° C Electronic structure: [Ar] 3d24s2 Atomic mass: 47,867 u 0,001 u License number: 22 Date of ... in the shipping industry. In medicine, as an implant, because it does not throw out the body.

Which planet's moon is titanium?

Description : Can anyone tell me which planet's moon is titanium?

Last Answer : Saturn's moon is titanium. Somewhere I also read that it is one of the most livable planets in the solar system. I don't know where they come from, but it's interesting .. :)

what means:paint formulated with RUTILE grade TITANIUM

Description : what means:paint formulated with RUTILE grade TITANIUM

Last Answer : Need Answer

When an inert atmosphere is required in metallurgical operation nitrogen is commonly used. However in the extraction of titanium from `TiCl_(4)` using

Description : When an inert atmosphere is required in metallurgical operation nitrogen is commonly used. However in the extraction of titanium from `TiCl_(4)` using

Last Answer : When an inert atmosphere is required in metallurgical operation nitrogen is commonly used. ... form nitrogne chloride which inhibits the reaction

What is the valence of titanium ?

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