The shortest period of the periodic table?

The shortest period of the periodic table?
by

1 Answer

Answer :

First period
by

Related questions

The shortest period in the periodic table is

Description : The shortest period in the periodic table is

Last Answer : first period.

(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 table. How do the following properties of M and N vary? Sizes of their atoms Their metallic characters Their valencies in forming oxides Molecular formulae of their chlorides -Science

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.

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

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.

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

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.

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

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.

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

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

Last Answer : The sixth period

The longest period of the periodic table?

Description : The longest period of the periodic table?

Last Answer : Sixth period

The incomplete period in the periodic table is

Description : The incomplete period in the periodic table is

Last Answer : seventh period.

The longest period in the periodic table is

Description : The longest period in the periodic table is

Last Answer : sixth period

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.

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.

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.

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'

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

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

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

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)

What are rows in Periodic table called? A. Period (Answer) B. Group C. Verticals D. Perpendiculars

Description : What are rows in Periodic table called? A. Period (Answer) B. Group C. Verticals D. Perpendiculars

Last Answer : A. Period (Answer)

What are Columns in Periodic table called? A. Period B. Group (Answer) C. Verticals D. Perpendiculars

Description : What are Columns in Periodic table called? A. Period B. Group (Answer) C. Verticals D. Perpendiculars

Last Answer : B. Group (Answer)

a. 1s^2  b. 1s^22s^22p^6 In which group and period of the periodic table they are placed?

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?

In modern periodic table, the period number indicates the :

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

La belongs to group 3 while Hg belongs to group 12 and both belong to period 6 of the periodic table.

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.

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

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

Last Answer : Actinides

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

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).

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'

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

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

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

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

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

Last Answer : ANSWER: ATOMIC SIZE DECREASES

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

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

In the periodic table, which of the following identifies a horizontal row? w) period x) group y) family z) series

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

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

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

In unicast routing,each router in the domain has a table thatdefines a______ path tree to possible destinations. A) average B) longest C) shortest D) none of the above

Description : In unicast routing,each router in the domain has a table thatdefines a______ path tree to possible destinations. A) average B) longest C) shortest D) none of the above

Last Answer : shortest

The principle of ________ states that the routing table is sorted from the longest mask to the shortest mask. A) first mask matching B) shortest mask matching C) longest mask matching D) none of the above

Description : The principle of ________ states that the routing table is sorted from the longest mask to the shortest mask. A) first mask matching B) shortest mask matching C) longest mask matching D) none of the above

Last Answer : longest mask matching

What is the shortest period of prenatal development?

Description : What is the shortest period of prenatal development?

Last Answer : Need answer

What builds more muscles in the shortest period of time - aerobic exercise or weight training?

Description : What builds more muscles in the shortest period of time - aerobic exercise or weight training?

Last Answer : Weight training will build more muscle in a shorter time frame.

. A shortest time span in the life cycle of a crop when weeding results in highest eco nomic returns a). Economic threshold b). Critical period c). Competitive threshold d). None of these

Description : . A shortest time span in the life cycle of a crop when weeding results in highest eco nomic returns a). Economic threshold b). Critical period c). Competitive threshold d). None of these

Last Answer : b). Critical period

What is the periodic table of 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.

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

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.

why is the periodic table symbol for sodium, Na ?

Description : why is the periodic table symbol for sodium, Na ?

Last Answer : Many of them, like lead (Pb) are named after their latin roots.

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

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.

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

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)

Where are the Largest atoms seen at the periodic table?

Description : Where are the Largest atoms seen at the periodic table?

Last Answer : Bottom left

Where are the smallest atoms seen at the modern periodic table?

Description : Where are the smallest atoms seen at the modern periodic table?

Last Answer : Right hand top

How many groups are there in the mod- ern periodic table?

Description : How many groups are there in the mod- ern periodic table?

Last Answer : Eighteen

The vertical columns of the periodic table are called

Description : The vertical columns of the periodic table are called

Last Answer : Groups

Modern periodic table was developed by?

Description : Modern periodic table was developed by?

Last Answer : Henry Moseley

The horizontal rows of elements in the periodic table are called?

Description : The horizontal rows of elements in the periodic table are called?

Last Answer : Periods

1st noble gas group in the periodic table?

Description : 1st noble gas group in the periodic table?

Last Answer : Helium

First element in the periodic table?

Description : First element in the periodic table?

Last Answer : Hydrogen

Total number of elements in periodic table?

Description : Total number of elements in periodic table?

Last Answer : 118

The periodic table is divided into 4 main blocks: they are?

Description : The periodic table is divided into 4 main blocks: they are?

Last Answer : block - elements of group 1 and 2; P block - ele- ments of group 13to 18; D block - elements of group 3 to 12; F block - Lanthanides and Actinides

The right side of the periodic table de- notes?

Description : The right side of the periodic table de- notes?

Last Answer : Non-metals

The left side of the periodic table de- notes?

Description : The left side of the periodic table de- notes?

Last Answer : Metals

Columns are periodic table called?

Description : Columns are periodic table called?

Last Answer : Groups

The rows in periodic table are called?

Description : The rows in periodic table are called?

Last Answer : Periods