Description : What trend does the ionization energy follow in the periodic table?
Last Answer : It decreases when going down a group.
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 : 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 : 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 : 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 : What are the trends of First ionization energy of group 2?
Last Answer : What is the answer ?
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 : What are the trends in the periodic table?
Last Answer : Atomic size decreases from left to right in a period hence ioniztion energy increases from left to right.But atomic size increases from top to bottom in a group hence ionization energy decreases from top to bottom.
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 : Which group elements show very low ionization enthalpy in the periodic table?
Last Answer : First group elements (alkali metals)
Description : An element has successive ionization enthalpies as 940 (first),2080,3090,4140,7030,7870,16000 and 19500 kJ `mol^(-1)`. To which group of the periodic
Last Answer : An element has successive ionization enthalpies as 940 (first),2080,3090,4140,7030,7870,16000 and 19500 kJ `mol^(- ... belong? A. 14 B. 15 C. 16 D. 17
Description : What are the periodic trends in a period?
Last Answer : a) The number of valence electrons increases from left to right. b) The atomic size decreases. c) The non-metallic character increases. d) The ionisation energy increases.
Description : What is a general trend in ionization energy across a period?
Last Answer : Need answer
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 : Proceeding across a period in the Periodic Table, what atomic size trend is observed?
Last Answer : ANSWER: ATOMIC SIZE DECREASES
Description : Do you usually follow trends or just do your own thing?
Last Answer : I follow my own style. Like in the way I wear, I like wearing clothes that feel comfortable for me. If it does not fit me, I would never buy it for sure. My style is just too simple, and is not ... an item for just 3 dollars when the real price was 10 dollars. They told me it was marked down item.
Description : Define ionization enthalpy. Name the factors on which ionisation enthalpy depends? How does it vary down the group and across a period?
Last Answer : Define ionization enthalpy. Name the factors on which ionisation enthalpy depends? How does it vary down the group and across a period?
Description : 3 Diffusion of drugs across cell membrane: A. Is dependent upon metabolic activity of the cell B. Is competitively inhibited by chemically related drugs C. Is affected by extent of ionization of drug molecules D. Exhibits saturation kinetics
Last Answer : C. Is affected by extent of ionization of drug molecules
Description : On going down in a group in the periodic table, the metallic nature of element
Last Answer : increases.
Description : Cost controls can be best described by which of the following? 1. The process of developing the future trends along with the assessment of probabilities, uncertainties, and inflation that could ... of gathering, accumulating, analyzing, reporting, and managing the costs on an on-going basis.
Last Answer : 4. The process of gathering, accumulating, analyzing, reporting, and managing the costs on an on-going basis.
Description : Cost budgeting can be best described by which of the following? 1. The process of developing the future trends along with the assessment of probabilities, uncertainties, and inflation that could ... of gathering, accumulating, analyzing, reporting, and managing the costs on an on- going basis
Last Answer : 3. The process of establishing budgets, standards, and a monitoring system by which the investment cost of the project can be measured and managed
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 : 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 : The periodic table arranges elements by the number of ____ in their outermost energy levels. a. neutrons c. protons b. atoms d. electrons
Last Answer : d. electrons
Description : Two women sit staring and glaring at each other across a small table. Although the two women don't appear to be friendly toward each other, they do eventually hold each other's hands. A man approaches, puts ... is the word the man shouts to the women, and what in the world is going on here? -Riddles
Last Answer : The word the man shouts to the women is, 'Go!' This is the way most women's arm wrestling competitions start, and hopefully the wrist straps, to keep their hands from slipping apart, won't have to be used.
Description : What has the smallest first ionization energy Carbonsiliconaluminumboron out of these elements?
Last Answer : K :Apex
Description : How IS The electronegativity trend relates to the first ionization energy trend?
Last Answer : Electronegativity and first ionization energy both increasegoing up the Periodic Table.
Description : Why second ionization energy of alkali metals are higher than first ionization energy?
Last Answer : The attraction between the electrons involved and the atomic nucleus is stronger.
Description : What element have the largest first ionization energy?
Last Answer : Cl -apex.
Description : The element with highest first ionization energy is - (1) hydrogen (2) helium (3) lithium (4) sodium
Last Answer : (2) helium Explanation: The first ionisation energy is the energy required to remove the most loosely held electron from one mole of gaseous atoms to produce 1 mole of gaseous ions each with a charge of ... ) of Hydrogen: around 1200: Helium: about 2500; Lithium: about 500; and Sodium: about 500.
Description : Second ionization energy: A. is always less than first ionization energy B. is always greater than first ionization energy (Answer) C. is equal to the first ionization energy D. may be greater or less than the first ionization energy depending on the nature of the element
Last Answer : B. is always greater than first ionization energy (Answer)
Description : The energy required to completely remove an electron from the first Bohr orbit is called a) excited energy b) ionization energy c) accelerated energy d) orbital energy
Last Answer : b) ionization energy
Description : Which of the following elements has the highest first ionization energy? w) Helium x) Neon y) Fluorine z) Argon
Last Answer : ANSWER: W -- HELIUM
Description : If the first ionization energy of magnesium is 176 kilocalories per mole, one would expect the second ionization energy t be approximately: w) 350 kilocalories per mole x) 1,760 kilocalories per mole y) 200 kilocalories per mole z) 20 kilocalories per mole
Last Answer : ANSWER: W -- 350 KILOCALORIES PER MOLE
Description : What is ionization energy ?
Last Answer : The amount of energy required to move the most loosely connected electrons from an isolated atom of an element to an infinite distance in a gaseous state is called the ionization energy of that element.
Description : Why is the ionization energy of IA class elements lowest at any stage ?
Last Answer : Any phase of the Periodic Table starts with Group- IA on the left . At any stage, from left to right, the value of ionization potential gradually increases due to atomic size contraction. For this reason, the ionization energy of the elements of the leftmost IA group is the lowest.
Description : What is the ionization energy of an element ?
Description : From the ground state, electronic configuration of the elements given below, pick up the one with highest value of second ionization energy:
Last Answer : From the ground state, electronic configuration of the elements given below, pick up the one with highest value of second ... D. `1s^(2)2s^(2)2p^(5)`
Description : The ionisation energy of `H` is `13.6 eV`. Calculate the ionization energy of `Li^(2+)` ions.
Last Answer : The ionisation energy of `H` is `13.6 eV`. Calculate the ionization energy of `Li^(2+)` ions. A. 13.6 eV B. 27.2 eV C. 40 .8 eV D. 122 .4 eV
Description : `alpha`-rays have ionization power because they possess a. Lesser kinetic energy b. Higher kinetic energy c. Lesser penetration power d. Higher penetr
Last Answer : `alpha`-rays have ionization power because they possess a. Lesser kinetic energy b. Higher ... . lesser penetration power D. higher penetration power
Description : The elements which occupy the peaks of ionization energy curve are
Last Answer : The elements which occupy the peaks of ionization energy curve are A. Na,K,Rb,Cs B. Na,Mg,Cl,I C. Cl,Br,I,F D. He,Ne,Ar,Kr
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 : Who has the smallest ionization energy?
Description : Why does rubidium have a smaller ionization energy than iodine?
Description : Why alkali metal have low ionization energy?
Last Answer : Ionization energy is the energy required to remove an electronfrom an atom or ion. Low ionization energy indicates that it takesless energy to remove an electron from the atom. The alkali ... are more and more electrons in theoutermost energy level, requiring more energy to remove anelectron.
Description : What electron would have the highest ionization energy for an oxygen atom?
Description : What Ionization energy is the amount of energy necessary to .?
Last Answer : Ionization energy and electron affinity for cations and anions,respectively.
Description : atoms with low ionization energy give up their outer valence electrons with ease?
Last Answer : trueapex