Description : In the Lewis symbol for a fluorine atom there are paired and unpaired electrons.?
Last Answer : Yes. That is true. There are 3 pairs of electrons, and 1 loneunpaired electron.
Description : How many dots should be drawn in the Lewis dot structure for a fluorine atom?
Last Answer : For fluorine: 8 dots.
Description : What happens to an atom of fluorine (F) when it forms an ionic bond in which it has the same electron configuration as the noble gas neon?
Last Answer : It accepts one electron.
Description : The high reactivity of fluorine is due to (a) Its high electronegativity (b) Small size of flourine atom (c) Availability of d-orbitals (d) Strong F-F bond
Last Answer : Ans:(a)
Description : The high reactivity of fluorine is due to (1) small size of fluorine atom (2) its high electro negativity (3) availability of d-orbitals (4) strong F - F bond
Last Answer : (2) its high electro negativity Explanation: The high reactivity of fluorine is due to its high electro negativity.
Description : What is meant by antenna gain? A. The final amplifier gain minus the transmission line losses (including any phasing lines present) B. The ratio of the amount of power produced by the antenna ... D. The numeric ratio relating the radiated signal strength of an antenna to that of another antenna
Last Answer : D. The numeric ratio relating the radiated signal strength of an antenna to that of another antenna
Description : Who showed that the very small nucleus in the center of the atom has positive charges ?
Last Answer : Rutherford showed that the very small nucleus in the center of the atom has positive charges.
Description : When did Rutherford show that the very small nucleus in the center of the atom has positive charges ?
Last Answer : In 1911 Rutherford showed that the very small nucleus in the center of the atom has positive charges.
Description : Preethi bought 240 reams of brown sheet at Rs 200 per ream and the expenditure on transport Was Rs 960. she had to pay an octroi duty of 1Rs per ream and the labour charges were Rs 120. What should she charge per ream to gain 80%(in Rs)?
Last Answer : Total CP= Rs(240*200)=Rs. 48000 Total expenditure=(960+1*240+120)= Rs. 1320 totalCp= 48000+1320=Rs. 49320 gain= 80% sp of 240reams = 49320*180/100 = Rs.88776 Sp per ream= 88776/240= Rs 369.9
Description : Sulphur can form dihalide, tetrahalide and hexahalide with fluorine. One mole of each of these three compounds is mixed with water. The total number o
Last Answer : Sulphur can form dihalide, tetrahalide and hexahalide with fluorine. One mole of each of these three ... is ____. If no reaction occurs, count zero
Description : How does an atom gain an electron?
Last Answer : An oxygen atom gains 2 electrons when it becomes an ion because it wants a full valence shell (as in, its outer energy level is trying to reach 8 electrons).
Description : In order to become a/an ______, an atom of chlorine must ______ an electron. a. Ion; Gain b. Molecule; Lose c. Ion; Lose d. Molecule; Gain
Last Answer : a. Ion; Gain
Description : What is the math term for each part of an algebric expression separated by a plus or minus sign?
Last Answer : Feel Free to Answer
Description : When using a multimeter for resistance measurements, it should be calibrated by clipping the loose ends of the leads together and _____________. A. setting the instrument pointer at 'zero' ohms B. ... the plus and minus terminals D. using a special purpose resistance measuring instrument (a bridge)
Last Answer : Answer: A
Description : Five point charges each of charge + q are placed on five vertices of a regular of side h as shown in the figure. Then
Last Answer : Five point charges each of charge + q are placed on five vertices of a regular of side h as shown in the ... (4piepsilon_(0))q^(2)/h^(2)` along OC.
Description : If He charges 17.95 for each CD and his expenses include 1250 for duplicating equipment and 0.65 for each blank CD which equation shows the profit (p) for selling n CD's?
Last Answer : What is the answer ?
Description : What two charges repel each other?
Last Answer : The rule of charges is that opposites attract and likes repel. Two positive charges will repel each other, and two negative charges will also repel each other.
Description : Electrical force exerted by two point charges on each other is inversely proportional to A. sum of their charges B. product of their charges C. distance between them D. square of distance between them
Last Answer : square of distance between them
Description : Which of the following statement is correct: (a) Similar charges attract each other (b) Similar charges attract and repel each other (c) Similar charges repel each other (d) Similar charges neither attract nor repel 9. Metals are good conductors of electricity because they have:
Last Answer : (c) Similar charges repel each other
Description : When a monopolist charges different prices to each customer it is called price discrimination of – (a) First order ; (b) Second order ; (c) Third order ; (d) Fourth order
Last Answer : (a) First order ;
Description : Two negative point charges are 2 meters apart and repel each other with a force of 2 newtons. When the distance between the charges is doubled, the force between them is w) one fourth as great x) one half as great y) twice as great z) four times as great
Last Answer : ANSWER: W -- ONE FOURTH AS GREAT
Description : What is the signal of fluorine ?
Last Answer : F Florin signal
Description : What is the physical condition of fluorine ?
Last Answer : faded greenish yellow gas.
Description : What is the boiling point of fluorine ?
Last Answer : Boiling point of fluorine - 188 degrees Celsius.
Description : What is the melting point of fluorine ?
Last Answer : Melting point of fluorine - 220 সেল C.
Description : What is the relative atomic mass of fluorine ?
Last Answer : The relative atomic mass of fluorine is 19 .
Description : What is the atomic number of fluorine ?
Last Answer : The atomic number of fluorine is 9 .
Description : What language does fluorine come from ?
Last Answer : Florin comes from Latin.
Description : What is the valence electron of fluorine ?
Last Answer : The valence of fluorine is seven.
Description : What is the symbol of fluorine ?
Last Answer : Fluorine symbol F.
Description : Aerosols having carbon and fluorine compounds are chiefly released by
Last Answer : Aerosols having carbon and fluorine compounds are chiefly released by A. Refineries B. Automobiles C. Industries D. Jets.
Description : Which of the following properties among halogens decreases from fluorine to iodine ?
Last Answer : Which of the following properties among halogens decreases from fluorine to iodine ? A. Eelectronegativity B. Electron ... energy D. (1) & (3) both
Description : Assertion : In the reaction, `(1)/(2)O_(2)+F_(2)rarrOF_(2)` Fluorine is oxidant. Reason :- Fluorine cannot show positive oxidation state.
Last Answer : Assertion : In the reaction, `(1)/(2)O_(2)+F_(2)rarrOF_(2)` Fluorine is oxidant. Reason :- ... is False. D. If both Assertion & Reason are False.
Description : A yellow coloured crystalline substance gave a colourless gas `X` on reaction with fluorine, which is thermally stable and has octahedral geometry. `X
Last Answer : A yellow coloured crystalline substance gave a colourless gas `X` on reaction with fluorine, which is ... and has octahedral geometry. `X` can be
Last Answer : A yellow coloured crystalline substance gave a colourless gas `X` on reaction with fluorine, which is thermally stable ... `SF_(2)` D. `S_(2)F_(6)`
Description : Fluorine has -1 oxidation state while iodine exhibits oxidation states of -1, +1, +3 ,+5 and +7. This is due to
Last Answer : Fluorine has -1 oxidation state while iodine exhibits oxidation states of -1, +1, +3 ,+5 and ... availability of d-orbitals in iodine D. none of above
Description : Which among the following factors is the most important in making fluorine the strongest oxidizing halogen ?
Last Answer : Which among the following factors is the most important in making fluorine the strongest oxidizing ... affinity D. (4) Bond dissociation energy
Description : What is the atomic number (Z) of the noble gas that reacts with fluorine ?
Last Answer : What is the atomic number (Z) of the noble gas that reacts with fluorine ? A. 54 B. 10 C. 18 D. 2
Description : A yellow metallic powder is burnt in a stream of fluorine to obtain a colourless gas X which is thermally stable and chemically inert. Its molecule ha
Last Answer : A yellow metallic powder is burnt in a stream of fluorine to obtain a colourless gas X which is thermally stable ... and NaC1` D. `SF_(4) and SF_(6)`
Description : Fluorine does not exhibit variable oxidation states due to
Last Answer : Fluorine does not exhibit variable oxidation states due to A. small size B. more electronegativity C. less density D. lack of vacent d orbitals
Description : When sulphur is treated with excess of Fluorine, the compound formed is
Last Answer : When sulphur is treated with excess of Fluorine, the compound formed is A. `SF_(4)` B. `S_(2)F_(2)` C. `SF_(6)` D. `S_(2)F_(6)`
Description : What type of bond is between oxygen and fluorine?
Last Answer : This bond is covalent.
Description : What element will most likely react in a similar way as fluorine?
Last Answer : Need answer
Description : What is fluorine atomic symbol?
Last Answer : F
Description : What is the same about fluorine chlorine bromine and iodine?
Last Answer : They have many similarities, which is why we put them all into the same Periodic Table group. Here is a brief list:They are diatomic.They are coloured.They are oxidising agents.They react with hydrogen.They react with metals.
Description : What is the valency of fluorine in calcium fluoride?
Last Answer : 1. This is answerI have another question to ask youWhat is the valency of calcium in calcium flouridePlease can you answer to my question