What is the second period at the bottom of the periodic table?

1 Answer

Answer :

Actinides

Related questions

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 : In the periodic table atoms are arranged from left to right and from top to bottom in what order?

Last Answer : What is the answer ?

Description : Electronegativity increases from left to right and _ bottom on the periodic table from top to?

Last Answer : Decreases

Description : Electronegativity increases from left to right and _ bottom on the periodic table from top to?

Last Answer : Decreases

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 : 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 : 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 modern periodic table, the period number indicates the :

Last Answer : In modern periodic table, the period number indicates the : a. atomic number b. atomic ... . principal quantum number d. azimuthal quantum number

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 : In the periodic table of elements, on moving from left to right across a period, the atomic radius – (1) decreases (2) increases (3) remains unchanged (4) does not follow a definite pattern

Last Answer : (1) decreases Explanation: The atomic radius is the distance from the atomic nucleus to the outermost stable electron orbital in an atom that is at equilibrium. It tends to decrease across a period from ... usually increases while going down a group due to the addition of a new energy level (shell).

Description : Which period have the largest number of elements in the periodic table?

Last Answer : The sixth period

Description : The longest period of the periodic table?

Last Answer : Sixth period

Description : The shortest period of the periodic table?

Last Answer : First period

Description : The incomplete period in the periodic table is

Last Answer : seventh period.

Description : The longest period in the periodic table is

Last Answer : sixth period

Description : The shortest period in the periodic table is

Last Answer : first period.

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 : Give reason: In the first period, hydrogen and helium are not placed adjacent to each other OR There is a big gap between hydrogen and helium in the periodic table.

Last Answer : Because Hydrogen and Helium belong to different groups. The Hydrogen element belongs to the 'Hydrogen' group, whereas the Helium element belongs to the 'noble gas'

Description : How is the electronic configuration of an atom related to the period in the periodic table?

Last Answer : Periods are formed according to the way in which electrons get filled up in different shells and orbitals. For example first period of the table is completed when the first shell of the atom is completely filled up

Description : List the short period, long period and incomplete periods in the modern periodic table

Last Answer : Periodnumber 1st 2 nd Description Veryshort 8 elements (Li to Ne) Long 18 elements (K to Kr) Very long 32 elements (Cs to Rn) Short 5 Long 4 th 6 th 7th 2 (H & He) Short ... of elements incomplete 8 elements ( Na to Ar) 18 elements (Rb to Xe) Rest of the elements (Fr onwards)

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 : 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 : 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 : Proceeding across a period in the Periodic Table, what atomic size trend is observed?

Last Answer : ANSWER: ATOMIC SIZE DECREASES

Description : As one goes across a period in the periodic table, the ionization energy generally increases for one of the following reasons. Is it because of the increasing w) atomic radius x) melting point y) nuclear charge z) density

Last Answer : ANSWER: Y -- NUCLEAR CHARGE

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 : In the periodic table of elements, on moving from left to right across a period, the atomic radius (1) decreases (2) increases (3) remains unchanged (4) does not follow a definite pattern

Last Answer : increases

Description : In the second and third stages of the periodic table, after how many elements does religion repeat ?

Last Answer : In the case of the second and third stages of the periodic table, religion repeats itself after the eight elements.

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.

Description : What is the only letter in the alphabet that does not appear anywhere on the periodic table of elements? -Riddles

Last Answer : The Letter J.

Description : State Mendeleev’s periodic law. Write two achievements of Mendeleev’s periodic table -Science

Last Answer : Mendeleevs Periodic Law: Properties of elements are the periodic function of their atomic masses. Achievements:i It could classify all the elements discovered at that time. ii It helped in the discovery of new elements. iii it helped in the correction of the atomic mass of some of the elements.

Description : (a) Why do we classify elements? (b) What were the two criteria used by Mendeleev in creating his Periodic Table? ... Justify your answer. -Chemistry 9th

Last Answer : (a) It is done so as to study the properties of elements conveniently. (b) Increasing order of atomic mass and similarities in chemical properties (especially nature and formulae of oxide and hydride formed). ... at that time. (e) They will be kept at same slot as they have same chemical properties.

Description : Which is the basis of modern periodic table? -Do You Know?

Last Answer : answer:

Description : what is the 110 element of periodic table?

Last Answer : DS Darmstadtium

Description : The horizontal rows on the periodic table are called?

Last Answer : The horizontal rows are called periods

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 main basis of modern periodic table ?

Last Answer : The true basis of the modern periodic table is the electron configuration.