Description : What is group names of periodic table?
Last Answer : Group names of Periodic Table: alkali metals, alkaline earth metals, scandium-titanium-vanadium-chromium-manganese-iron-cobalt-nickel-zinc-boron-carbon groups, pnictogens, chalcogens, halogens, noble gases.
Description : What are the names of the 8 groups in the periodic table?
Last Answer : alkali metals, alkali earth metals, halogens, noble gases, transition metals and there are only 5 not 8
Description : The names of the scientists, Newlands, Mendeleev and Meyer are associated with the development of (a) Atomic structure (b) Metallurgy (c) Periodic table of elements (d) Discovery of elements
Last Answer : Ans:(c)
Description : (a) What are groups' and periods' in the periodic table'? (b) Two elements M and N belong to group I and II respectively and are in the same period of the periodic ... Sizes of their atoms Their metallic characters Their valencies in forming oxides Molecular formulae of their chlorides -Science
Last Answer : (a) The vertical columns in the periodic table are called groups'. The horizontal rows in the periodic table are called periods'. (b) M' and N' belong to same period but group I ... oxides. Valency goes on increasing first and then decreases. MCI, NCI2 are molecular formulae of their chlorides.
Description : a) What is meant by periodicity in properties of elements with reference to the periodic table? (b) Why do all the elements of the same group have similar properties? (c) How will the tendency to gain electrons change as we go from left to right across a period? Why? -Science
Last Answer : (a) The repetition of same properties after definite interval is called periodicity in properties. (b) It is because they have same valence electrons therefore, have similar properties. (c) ... to right in a period because atomic size goes on decreasing and effective nuclear charge increases.
Description : What is the number of elements in the zero group of the periodic table ?
Last Answer : The number of elements in the zero group of the periodic table is 6 .
Last Answer : The elements are coin metal
Description : Which group of periodic table have large negative energy of activation ?
Last Answer : Which group of periodic table have large negative energy of activation ? A. Alkali metal B. Zero group C. Halogen family D. Alkaline earth metal
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 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 : a. 1s^2 b. 1s^22s^22p^6 In which group and period of the periodic table they are placed?
Last Answer : The electronic configuration of some elements are given below : a. 1s2 b. 1s22s22p6 In ... and period of the periodic table they are placed?
Description : In which group of elements of the modern periodic table are halogen placed ?
Last Answer : In which group of elements of the modern periodic table are halogen placed? a. 17 b. 6 c. 4 d. 2
Description : La belongs to group 3 while Hg belongs to group 12 and both belong to period 6 of the periodic table.
Last Answer : La belongs to group 3 while Hg belongs to group 12 and both belong to period 6 of the ... from La to Hg together using orbital notation method.
Description : What Group is Pb (lead) in click for the periodic table?
Last Answer : Lead is in the group 14 of the Periodic Table.
Description : In the periodic table does a set of properties repeat from group to group?
Last Answer : No. The properties of elements repeat from row to row (period toperiod).The groups on the table are the columns.
Description : Magnesium and calcium are in the same group on the periodic table. Which sentence best explains why they have similar properties?
Last Answer : C. They both have two......
Description : What structural feature of their atoms is characteristic of elements in a group of the periodic table?
Last Answer : The Periodic Table also has a special name for its vertical columns. Each column is called a group. The elements in each group have the same number of electrons in the outer orbital. Those outer electrons are also called valence electrons.
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 : 1st noble gas group in the periodic table?
Last Answer : Helium
Description : Elements present in the 2nd Group of the Periodic Table are also called ?
Last Answer : Ans alkaline earth metals
Description : Name the elements present in the 2nd Group of the Periodic Table:
Last Answer : Ans beryllium, magnesium, calcium, strontium, barium and radium
Description : On going down in a group in the periodic table, the metallic nature of element
Last Answer : increases.
Description : Taking first period and 17 th group of the periodic table, write gradation of properties with respect to the following: a) atomic size b) Ionisation energy c) electro positivity and electro negativity.
Last Answer : The elements of 1 st period are hydrogen and helium. a) Atomic size of hydrogen is larger then that of helium because atomic size decreases across a period. b) Ionisation energy of helium ... higher as it increases down the group. Electro negativity of fluorine as it decreases down the group.
Description : List the elements of 15 th group of the periodic table. Name the distinct metals and non-metals of the group.
Last Answer : Nitrogen and phosphorous are non-metals. Arsenic and Antimony are metalloids, Bismuth is a metal.
Description : Nitrogen (atomic number 7) and Phosphorous (atomic number 15) belong to group 15 of the periodic table. Which of these will be more electro negative? Why?
Last Answer : Nitrogen will be more electro negative as it decreases down the group.
Description : What are rows in Periodic table called? A. Period (Answer) B. Group C. Verticals D. Perpendiculars
Last Answer : A. Period (Answer)
Description : What are Columns in Periodic table called? A. Period B. Group (Answer) C. Verticals D. Perpendiculars
Last Answer : B. Group (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 : Referring to the periodic table of elements, it is found that with increasing atomic number. The atomic size in the same (A) Period increases (B) Period decreases (C) Group increases (D) Both 'b' & 'c'
Last Answer : Option D
Description : Which group elements show very low ionization enthalpy in the periodic table?
Last Answer : First group elements (alkali metals)
Last Answer : beryllium, magnesium, calcium, strontium, barium and radium. These elements with the exception of beryllium are commonly known as the alkaline earth metals.
Description : Name the elements present in the 1st Group of the Periodic Table
Last Answer : lithium, sodium, potassium, rubidium, caesium and francium. They are collectively known as the alkali metals.
Description : Which one of the following statements concerning elements in the Periodic Table is correct? A Elements of the same group all have the same number of electrons in the outermost occupied electron shell. B ... (Group 17) are all gases at room temperature. E The Group 13 elements are all metals.
Last Answer : D) Are compounds that exhibit both metallic & non-metallic properties to some extent and are exemplified by elements like germanium, silicon & boron
Description : As one moves down a group of the periodic table, the tendency to lose electrons does which of the following? w) increase x) decrease y) stay the same
Last Answer : ANSWER: W -- INCREASE
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 : What is the family name given to the elements in group 1A of the periodic table?
Last Answer : ANSWER: ALKALI METALS
Description : The elements in group 1A of the periodic table are called: w) halogens x) alkaline earths y) alkali metals z) rare earths
Last Answer : ANSWER: Y -- ALKALI METALS
Description : In the periodic table, which of the following identifies a horizontal row? w) period x) group y) family z) series
Last Answer : ANSWER: W -- PERIOD
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
Description : why is the periodic table symbol for sodium, Na ?
Last Answer : Many of them, like lead (Pb) are named after their latin roots.
Description : What element is not on the periodic table? -Riddles
Last Answer : The Element of Surprise.