Which is the heaviest element in the periodic table?

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who introduced the first Periodic Table

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Description : Which is the heaviest element in the periodic table?

Last Answer : who introduced the first Periodic Table

Description : Which metal is the heaviest in periodic table among the following? (1) Os (2) Pt (3) Pb (4) W

Last Answer : (1) Os Explanation: The densest chemical element is Osmium (which is a metal). Osmium has a density of around 22 grams per cubic centimeter, about twice the density of lead.

Description : Which metal is the heaviest in periodic table among the following ? (1) Os (2) Pt (3) Pb (4) W

Last Answer : Os

Description : What element is not on the periodic table? -Riddles

Last Answer : The Element of Surprise.

Description : The elements of the third period of the Periodic Table are given below: periodic-classification-of-elements-chapter-wise-important-questions-class-10-science-1 (a) Which atom is bigger, Na or Mg? Why? (6) Identify the most (i) metallic and (ii) non-metallic element in Period 3. -Science

Last Answer : (a) Sodium is bigger than magnesium as it has lesser nuclear charge so there is less force of attraction between nucleus and valence electrons and less effective nuclear charge. It is, therefore, ... the most non-metallic element because it can gain electrons easily due to its smallest atomic size.

Description : 1The elements of the second period of the Periodic Table are given below: Li Be B C N O F (a) Give reason to explain why atomic radii decrease from Li to F. (b) Identify the most (i) metallic and (ii)non-metallic element. -Science

Last Answer : a) It is because nuclear charge increases due to increase in atomic number, therefore, force of attraction between nucleus and valence electrons increases, i.e. effective nuclear charge increases, hence ... element is ‘F’ because it can gain electrons easily due to smallest atomic size.

Description : what is the 110 element of periodic table?

Last Answer : DS Darmstadtium

Description : What is the six element of the periodic table of elements?

Last Answer : Family six on the Periodic Table of elements is also know asChalcogens

Description : What is the signal of the last element of the periodic table ?

Last Answer : Uuo The last element of the periodic table.

Description : Which is the first element in the periodic table ?

Last Answer : The first element in the periodic table is hydrogen ( H) .

Description : What is the name of the last element of the periodic table ?

Last Answer : The last element of the periodic table is called Ogneson ( Og) .

Description : Which element of the periodic table has the highest value ?

Last Answer : Uranium has the highest value.

Description : Astatine is the element below iodine in the group `VIIA` of the periodic table. Which of the following statements is not true for astatine?

Last Answer : Astatine is the element below iodine in the group `VIIA` of the periodic table. Which of the following ... iodine molecules. D. (D) None of these.

Description : (A) The position of an element an element in periodic in table after emission of one `alpha` and two `beta`-partilce remians unchanged. (R ) Emission

Last Answer : (A) The position of an element an element in periodic in table after emission of one `alpha` and two `beta` ... D. If both (A) and (R ) are incorrect.

Description : A radioactive element is preset in VIII group of the periodic table. If it emits one `alpha`particle, the new position of the nuclide will be

Last Answer : A radioactive element is preset in VIII group of the periodic table. If it emits one `alpha`particle, the new ... . VI B B. VIII C. VIIB D. I B

Description : If the valence shell electronic configuration of an element is 3s^2 3p^1, in which block of the periodic table is it placed?

Last Answer : If the valence shell electronic configuration of an element is 3s2 3p1, in which block of the periodic table is it placed?

Description : Which is the first element in the periodic table?

Last Answer : Which is the first element in the periodic table?

Description : How can chemists state with certainty that no one will discover an element that would appear on the periodic table?

Last Answer : Need answer

Description : What can you predict about an element from its position on the periodic table?

Last Answer : Its position predicts several useful characteristics:1. The no. of valence electrons/the type of valence orbitals2. The nature of element3. Other Elements having similar chemistry4. rough idea of the ionization enthalpy, electronegativity, andother parametersand many more things

Description : How did Mendeleev arrange the known element in his periodic table?

Last Answer : He arranged the elements in the increasing order of their atomicmasses and repeating periodic properties.

Description : What is Name an element in the periodic table that you would expect to chemically similar to sulfur?

Last Answer : Need answer

Description : How did Mendeleev arrange the known element in his periodic table?

Last Answer : He arranged the elements in the increasing order of their atomicmasses and repeating periodic properties.

Description : The first element on the periodic table of elements is hydrogen?

Last Answer : is it true or false

Description : Helium (He), neon (Ne) and argon (Ar) are all colorless, odorless gases with low chemical reactivity. Based on the periodic table, which other element would also have those same properties?

Last Answer : Helium

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 : First element in the periodic table?

Last Answer : Hydrogen

Description : (a). Which is largest in size- Cu+ , Cu+2, Cu and why? (b). which element in the periodic table has the highest ionization enthalpy? (c). Which element is more metallic in the periodic table.?

Last Answer : Ans. (a). Cu is largest due to less effective nuclear charge. It has 29 electrons, 29 protons, Cu+ has 28 electrons and 29 protons, Cu2+ has 27 electrons and 29 protons. (b). He has highest ionization enthalpy. (c). Mg is more metallic due to lower ionization energy

Description : On going down in a group in the periodic table, the metallic nature of element

Last Answer : increases.

Description : The element which is the most reactive of all elements in the periodic table is

Last Answer : fluorine.

Description : What is the first element in the periodic table? A. Hydrogen (Answer) B. Helium C. Nitrogen D. Carbon

Last Answer : A. Hydrogen (Answer)

Description : A sulphate salt of group 2 element of the periodic table is white ,soft substance which can be moulded into different shapes by making its dough.Identify the salt . (a) CaSO4.1/2 H2O (b) CaSO4.2H2O (c) 2CaSO4. 1⁄2 H2O (d)CaSO4

Last Answer : (a) CaSO4.1/2 H2O

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 : Name the chemical element that is eleventh in the Lanthanide Series in the periodic table. Because of the metal's high thermal-neutron-absorption cross section, it has been of much interest in terms of use in nuclear reactor hardware. The chemical symbol for this element is Er.

Last Answer : ANSWER: ERBIUM

Description : Name this chemical element. The principal use of this element has been in solid-state electronic devices, notably transistors. Its position in the periodic table is in group "4A". The element's atomic number is 32 and its chemical symbol is Ge.

Last Answer : ANSWER: GERMANIUM

Description : A gaseous organic compound that is best known for its use in preservative solutions has the chemical formula HCHO (read: H - C - H CHEM-92; Short Answer: Give me the name and atomic number ... element is a clear, odorless gas. This element is one of the essential ingredients in the burning process.

Last Answer : ANSWER: OXYGEN ATOMIC NUMBER = 8

Description : The element I am thinking about has several interesting characteristics. It occupies the same column in the periodic table as lead. Resistors which are commonly found in electronic circuits are often made out ... element is one of the hardest substances on earth. What element am I thinking about? 

Last Answer : ANSWER: CARBON

Description : The heaviest naturally occurring element is: (1) Mercury (2) Poloni (3) Thorium (4) Uranium

Last Answer : (4) Uranium Explanation: The heaviest element in terms of heaviest per a given number of atoms is the element with the highest atomic weight. This is the element with the larg st number of ... man-made. The heaviest naturally-occurring element is uranium (atomic number 92, atomic weight 238.0289).

Description : The heaviest gaseous element?

Last Answer : Radon

Description : The heaviest element?

Last Answer : Osmium

Description : The heaviest naturally occurring element is?

Last Answer : Uranium

Description : The heaviest naturally occurring element is: (1) Mercury (2) Polonium (3) Thorium (4) Uranium

Last Answer : Uranium

Description : What is the periodic table of elements?

Last Answer : Answer: The periodic table of elements is a chart that arranges all known chemical elements in order of increasing atomic number, based on their electron configurations and chemical properties. ... as it allows scientists to predict the properties and behavior of different elements and compounds.

Description : What alloy is created when you melt and mix all metals on the periodic table in equal portions?

Last Answer : You can’t mix them all, their melting points are vastly different.

Description : Do we have (or will have soon) a periodic table of sub-atomic elements?

Last Answer : http://www.bing.com/images/search?q=subatomic+elements+chart&qpvt=sub+atomic+elements+chart&qpvt=sub+atomic+elements+chart&FORM=IGRE ?

Description : Do chemists have to memorize all the elements of the periodic table?

Last Answer : answer:I don't see why they would have to , since most chemists don't work with all elements. On the other hand, just like readers memorized the alphabet and how to spell and ... have similar properties to each other, as well as isotopes of each. Familiarity sometimes breeds more familiarity.

Description : What would be some good ideas for a Periodic Table Themed Board Game?

Last Answer : You could use different brand beverage bottle caps for the pieces and have cards that ask the elements in certain materials with higher points for the more complex answers, and play it like a game of chess. You ... a rook, you get benzene you move like the queen. I'm not sure what makes the king.

Description : Is there a slower version of the periodic table song?

Last Answer : answer:Are you talking about Tom Lehrer’s “The Elements.” Simply sing it slowly. Here Lehrer’s sings and the lyrics are typed underneath.

Description : When talking about the periodic table, what are the trends of precipitates as you move down the column of alkaline earth metals?

Last Answer : Homework, eh? :)

Description : Is the Iron in ours bodies the same Iron on the periodic table of the elements?

Last Answer : Yep, good ol’ Fe. Here’s the molecular structure of hemoglobin