What is the atomic number of boron ?

1 Answer

Answer :

The atomic number of boron is 5 .

Related questions

Description : What is the relative atomic number of boron ?

Last Answer : The relative atomic number of boron is 11 .

Description : Atomic number of which of the following elements is greater than that of Fluorine? (1) Sodium (2) Beryllium (3) Nitrogen (4) Boron

Last Answer : (1) Sodium Explanation: Sodium has higher atomic number (11) than Fluorine (9) The atomic number of Beryllium and Nitrogen are 4 and 7 respectively.

Description : What is the atomic number of boron ?

Last Answer : Boron atomic number 5 .

Last Answer : Atomic Numbers 5.

Description : What is the sub-atomic particles in the nucleolus of a boron atom?

Last Answer : Need answer

Description : The element with the least atomic size from Carbon, Nitrogen, Boron and Beryllium is

Last Answer : Nitrogen.

Description : What is the color of boron ?

Last Answer : Boron color is dark brown.

Description : What is the borosity of boron ?

Last Answer : Boron valence 3 .

Description : What is the boiling point of boron ?

Last Answer : Boron's boiling point is 3660 degrees Celsius.

Description : What is the melting point of boron ?

Last Answer : Boron has a melting point of 2300 degrees Celsius.

Description : What language did Boron come from ?

Last Answer : Boron comes from Arabic language.

Description : What is the symbol of Boron ?

Last Answer : Boron's symbol B

Description : Which element behaves chemically both as metal and nonmetal? (1) Argon (2) Boron (3) Xenon (4) Carbon

Last Answer : (2) Boron Explanation: Some elements behave chemically both as metals and nonmetals, and are called metalloids. Their examples include Boron, Silicon, Germanium and Antimony. Elements which are neither metals nor nonmetals are called Noble Gases.

Description : Which of the following can be used to absorb neutrons to control the chain reaction during nuclear fission? (1) Boron (2) Heavy water (3) Uranium (4) Plutonium

Last Answer : (1) Boron Explanation: Boron shielding is used as a control for nuclear reactors, taking advantage of its high cross-section for neutron capture. Elemental boron is rare and ... aluminium. Crystalline boron is chemicallyinert and resistant to attack by boiling hydrofluoric or hydrochloric acid.

Description : wo elements which are used to absorb neutrons to control the chain reaction during nuclear fission are - (1) Boron and Cadmium (2) Boron and Plutonium (3) Cadmium and Uranium (4) Uranium and Boron

Last Answer : (1) Boron and Cadmium Explanation: Since the continued chain reaction of a nuclear fission reactor depends upon at least one neutron from each fission being absorbed by another fissionable nucleus, the ... and then the control rods are slowly lifted until a chain reaction can just be sustained.

Description : Give reason why boron and aluminum tend of form covalent compounds.

Last Answer : Ans. Sum of the three ionization enthalpies of both the elements are very high. Thus they have no tendency to lose electrons to form ionic compound. Instead they form covalent compounds.

Description : why does boron form stable electron deficient compounds?

Last Answer : Ansboron has three electrons in its valance shell that boron show three electrons with other element and form an electron deficient compound

Description : why is boron used in nuclear reactions?

Last Answer : Ansbecause boron can absorb neutrons.

Description : What are the real world applications of boron family?

Last Answer : Ans. Boron compounds are being evaluated for treating arthritis. The alloys of aluminum are used in the construction of aircraft and rockets. Gallium is used to dope ... selenium rectifiers, gamma radiation detection equipment, and infrared radiation detection and transmission equipment.

Description : Name non-metal of Boron Family .What is the reason for its non-metallic behavior?

Last Answer : Ans Boron. Because of its small size ,high ionization enthalpy and comparatively high electronegativity.

Description : What are two isotopic forms of boron?

Last Answer : Ans: B(10,5) and B(11,5).

Description : Write the three crystalline forms in which Boron exist.

Last Answer : Ans.a) Prismatic Borax (Na2B4O7.10H2O) b) Octahedral Borax (Na2B4O7.5H2O) c) Anhydrous Sodium tetra borate (Na2B4O7

Description : What accounts for the formation of Boron Hydrides?

Last Answer : Ans. Because of small size of both B & H forms stable compound called Boron Hydrides.

Description : Which element of Boron family is a metalloid?

Last Answer : Ans. Boron

Description : Which element of Boron Family is used to prevent oxidation?

Last Answer : Ans.Aluminum

Description : What are some uses of Boron Compound?

Last Answer : Ans.Adhesives, cement, disinfectants, fertilizers, etc.

Description : Which of the following groups of elements have an OUTER ELECTRONIC configuration of S-2-P-2? w) halogens x) Nitrogen-Phosphorus Group y) Carbon-Silicon Group z) Boron-Aluminum Group

Last Answer : ANSWER: Y -- CARBON-SILICON GROUP

Description : Which of the following is not a covalent network solid? w) silicon dioxide x) silicon oxide y) boron nitrate z) sodium oxide

Last Answer : ANSWER: D -- SODIUM OXIDE

Description : Which of the following elements forms a tetrahedra structure? w) carbon x) beryllium y) boron z) fluorine

Last Answer : ANSWER: W -- CARBON

Description : It is believed that carbon-14 in nature is slowly generated by the action of: w) protons on carbon-12 x) electrons on hydrogen y) cosmic rays on boron z) neutrons on nitrogen

Last Answer : ANSWER: Z -- NEUTRONS ON NITROGEN 

Description : Which of the following would have the largest THIR ionization energy? Is it: w) Boron x) Carbon y) Nitrogen z) Magnesium

Last Answer : ANSWER: Z -- MAGNESIUM

Description : List the following atoms in order of increasing electron affinity: oxygen, boron, and fluorine.

Last Answer : ANSWER: (1) BORON, (2) OXYGEN, (3) FLUORINE

Description : Which of the following is the element represented by the symbol B? w)Barium x)Bismuth y)Boron z)Beryllium

Last Answer : ANSWER: Y -- BORON

Description : Which of the following is NOT a physical property of crystalline boron? w) brown color x) diamond hardness y) brittleness z) high electrical resistance 

Last Answer : ANSWER: W -- BROWN COLOR (Crystalline boron is transparent.) 

Description : Which element behaves chemically both as metal and nonmetal ? (1) Argon (2) Boron (3) Xenon (4) Carbon

Last Answer : Boron

Description : Which of the following can be used to absorb neutrons to control the chain reaction during nuclear fission ? (1) Boron (2) Heavy water (3) Uranium (4) Plutonium

Last Answer : Boron

Description : Two elements which are used to absorb neutrons to control the chain reaction during nuclear fission are (1) Boron and Cadmium (2) Boron and Plutonium (3) Cadmium and Uranium (4) Uranium and Boron

Last Answer :  Boron and Cadmium

Description : What is the mass number of a boron atom with 4 neutrons?

Last Answer : Need answer

Description : Does anyone here know what the lewis dot structure is for boron sulfide?

Last Answer : Try looking up “Lewis Dot Structure” on a search engine and see if that “rings a bell”.

Description : What are the deficiency symptoms of Boron in plants? -Biology

Last Answer : answer:

Description : What is the sign of boron ?

Last Answer : B boron signal

Description : The hybridization states of boron and nitrogen in borazole respectively

Last Answer : The hybridization states of boron and nitrogen in borazole respectively A. sp, sp B. sp, `sp^(2)` C. `sp^(2),sp^(2)` D. `sp^(2),sp^(3)`

Description : Boron can be obtained by various methods but not by :

Last Answer : Boron can be obtained by various methods but not by : A. Reduction of `B_(2)O_(3)` with Mg B. ... with `H_(2)` D. electrolysis of fused `BCl_(3)`

Description : Does boron form covalent compound or ionic?

Last Answer : Does boron form covalent compound or ionic?

Description : What are 5 common uses for boron?

Last Answer : Need answer

Description : How does boron bond with iodine?

Last Answer : The bond is polar covalent.

Description : Is boron a cation or a anion?

Last Answer : Boron is an element and is neither an anion or cation. Ifionized it would tend to from B3+ and would be thus a cation.

Description : Why boron compounds behave as Lewis acids?

Last Answer : What is the answer ?

Description : Is boron polar or non polar?

Last Answer : It's non polar covalent

Description : Is boron polar or non polar?

Last Answer : It's non polar covalent