Description : (A) Au,Pt,Ag etc are found in free state (R ) The metals which are noble and chemically less reactive are found in free state
Last Answer : (A) Au,Pt,Ag etc are found in free state (R ) The metals which are noble and chemically less reactive ... D. If (A) is incorrect but (R ) is correct
Description : Among noble gases, Xe is quite reactive and form a number of fluorides and oxyfluorides. In these compounds the electrons, from 5p orbitals are excite
Last Answer : Among noble gases, Xe is quite reactive and form a number of fluorides and oxyfluorides. In these ... B. Square pyramid C. square planar D. octahedral
Last Answer : Among noble gases, Xe is quite reactive and form a number of fluorides and oxyfluorides. In these compounds ... `XeF_(2)` and tetraheddral `XeO_(3)`
Last Answer : Among noble gases, Xe is quite reactive and form a number of fluorides and oxyfluorides. In these compounds the ... ` C. `XeO_(2)F_(2)` D. Xe
Description : Which is the most reactive element in Nitrogen family ?
Last Answer : Phosphorous
Description : Why chemists might sometimes store reactive chemicals in argon An. To which family does argon belong?
Last Answer : What is the answer ?
Description : What element has the noble gas configuration Ne3s2?
Last Answer : Feel Free to Answer
Description : The reactivity of an ionic compound element is explained as its tendency to attain noble gas configuration. How do the elements do so? (1) Lose electrons (2) Gain electrons (3) Both are correct (4) Both are incorrect
Last Answer : (3) Both are correct Explanation: The reactivity of elements is explained as their tendency to attain a completely filled outer shell. This is called as having attained noble gas configuration. Once noble gas configuration is reached, the elements lose their reactivity.
Description : Radon differs from other naturally radioactive elements in which one of the following ways. Is it because radon w) is extremely radioactive x) decays into the element radium y) is a noble gas z) is as chemically active as fluorine
Last Answer : ANSWER: Y -- IS A NOBLE GAS
Description : 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
Last Answer : ANSWER: X -- ALKALI METAL
Description : When a patient’s immune system becomes reactive to a drug, this is an example of? A. Super infection B. Drug resistance C. Allergy (Answer) D. none
Last Answer : C. Allergy (Answer)
Description : What Element Would Be Least Reactive Out Of Chlorine Iodine Bromine And Fluorine?
Description : In an electron dot diagram of potassium There is one dot. In an electron dot diagram of silicon there are four dots. Which element would you expect to be more reactive?
Last Answer : silicon
Description : An unknown element is a soft metallic solid. It is highly reactive and has a low melting point. In which group of the periodic table is it most likely to be found?
Last Answer : Sodium - group 1
Description : Most chemically reactive element is?
Last Answer : Fluorine
Description : Among the elements of the 3rd period from Na to Ar, pick out the element: (L-2) (a). with highest first ionization enthalpy. (b). with largest atomic radius. (c). that is most reactive non-metal. (d). that is most reactive metal.
Last Answer : (a). Ar has highest first ionization enthalpy. (b). Na has large atomic radius (covalent radius). (c). Cl is more reactive non-metal in 3rd period. (d). Na is most reactive metal in third period.
Description : The element which is the most reactive of all elements in the periodic table is
Last Answer : fluorine.
Description : Which AI system not store memories or past experiences for future actions. A. Reactive machine B. Limited memory C. Theory of mind D. None of above
Last Answer : A. Reactive machine
Description : Which "SUPERCOMPUTER" is developed by Indian Scientist: a) SarvaShrestha b) Param c) Super 301 d) Super Power e) None of These
Last Answer : b) Param
Description : What is the name of the family of reactive metals having valency two?
Last Answer : What is the name of the family of reactive metals having valency two?
Description : What is the name of the family of reactive metals having valency one?
Last Answer : What is the name of the family of reactive metals having valency one?
Description : Give examples of a container element in HTML. -Technology
Last Answer : , , .
Description : Which of the following is not a container element? (a) P (b) B -Technology
Last Answer : (d) HR is an empty tag because it has no closing tag.
Description : My snapdragons are still in the container from the store. They are looking like they are dying. Can I still plant them?
Last Answer : I would plant them, in zone 7 they came back any year.
Description : A mother has three sick children. She has a 24-ounce bottle of medicine and needs to give each child eight ounces of the medicine. She is unable to get to the store and has only three ... to give each child an equal portion without having any two children drink from the same container? -Riddles
Last Answer : Fill the 5 oz. and 11 oz. Containers from the 24 oz. container. This leaves 8 oz. in the 24 oz. bottle. Next empty the 11 oz. bottle by pouring the contents into the 13 oz. bottle. Fill the ... . bottle. Finally pour the 5 oz. bottle contents into the 11 oz. bottle giving 8 oz. in this container.
Last Answer : The 104th element is named after the scientist Rutherford.
Description : What is an element named after a female scientist?
Last Answer : Curium is named after Marie Curie.
Description : In 1866, John Newlands, an English scientist, arranged the then known elements in the order of increasing atomic masses. He found that every eighth element had properties similar to that of the first. He called it ... of Pentamates (2) Law of musical notes (3) Law of Octaves (4) None of the above
Last Answer : (3) Law of Octaves Explanation: Newlands compared his discovery to the octaves found in music and thus, he called it the ‘Law of Octaves’. It is also known as ‘Newlands’ Law of Octaves’.
Description : The scientist who recognized chlorine as an element?
Last Answer : Humphry Davy
Description : The first scientist who gave a definition to element is?
Last Answer : Robert Boyle
Description : Which scientist discovered the radioactive element Radium ? (1) Marie Curie (2) Isaac Newton (3) Albert Einstein (4) Benjamin Franklin
Last Answer : Marie Curie
Description : A small group of people are all standing around a two-foot tall, empty, wooden container. Two women approach the group carrying a silver container, which they place inside the wooden container. No ... circular motions. After this, the top of the silver container is removed, and an objec -Riddles
Last Answer : This group was making home made ice cream using an old fashioned hand-cranked ice cream freezer.
Description : What is Great or Noble Gas ?
Last Answer : He, Ne, Ar, Kr, Xe, Rn Inert gas because it does not take part in any chemical reaction. They are also called noble gases because they do not react with other elements .
Description : The noble gas was first time discovered by
Last Answer : The noble gas was first time discovered by A. Cavendish B. Willian ramsay C. Rayleigh D. Frankland
Description : Which one of the following configuration represents a noble gas ?
Last Answer : Which one of the following configuration represents a noble gas ? A. `1s^2 2s^2 p^6 , 3s^2` B. `1s^2 2s^2 p^6 ... . `1s^2 2s^2 p^6 , 3s^2 p^6 , 4s^2`
Description : Which of the following statement is not correct for a noble gas ?
Last Answer : Which of the following statement is not correct for a noble gas ? A. Argon is used to fill the ... in the atmosphere D. Xenon cannot from `XeF_(3)`
Description : Which of the following noble gas is the most polarized ?
Last Answer : Which of the following noble gas is the most polarized ? A. Radon B. Krypton C. Xenon D. Helium
Description : The first noble gas compound prepared by Bartlett is
Last Answer : The first noble gas compound prepared by Bartlett is A. `XeF_(2)` B. `KrF_(2)` C. `XePtF_(6)` D. `XeO_(3)`
Description : The lightest noble gas atom contains the following particles in its nucleus
Last Answer : The lightest noble gas atom contains the following particles in its nucleus A. 4 protons B. 3 neutrons ... and 1 neutron D. 2 protons and 2 neutrons
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 : The noble gas with highest ionization energy is
Last Answer : The noble gas with highest ionization energy is A. He B. Ar C. Xe D. Kr
Description : The noble gas which behaves abnormally in liquid state is
Last Answer : The noble gas which behaves abnormally in liquid state is A. Xe B. Ne C. He D. Ar
Description : The noble gas which can from more number of compounds is
Last Answer : The noble gas which can from more number of compounds is A. Ne B. He C. Xe D. Ar
Description : Which of the following noble gas is least polarisable ?
Last Answer : Which of the following noble gas is least polarisable ? A. He B. Ne C. Kr D. Xe
Description : Which of the following is not a noble gas ?
Last Answer : Which of the following is not a noble gas ? A. `N_(2)` B. He C. Ne D. Ar
Description : The most abundant noble gas in the atmosphere is
Last Answer : The most abundant noble gas in the atmosphere is A. Argon B. Neon C. Helium D. Krypton
Description : What is the closest noble gas to oxygen?
Last Answer : A quick look at a Periodic Table will reveal that neon is only a couple of columns away from oxygen.
Description : What is the formula of the ion formed when lithium achieves noble gas electron configuration?
Last Answer : The lithium cation is Li+.
Description : What is Sr noble gas configuration?
Last Answer : It is [Kr] 5s2