200+ LIKES. which of the following has largest number of atoms 1 1g of au 2 1g of na 3 1g of li 4 1g cl2 - Chemistry - TopperLearning.com | ktd57dqq. CH4 for example has 5 atoms according to molecule (one carbon atom and four hydrogen atoms). Hydrogen (H) Which of the following notations represents a molecule? 5.3k VIEWS. Equal mole of an element contains equal number of atoms. 1:38 4.0k LIKES. So 1 mole of chlorine would weigh 35.5g. $\ce{K2SO4}$ has 2 moles of potassium, 1 mole of S and 4 moles of O per mole of $\ce{K2SO4}$. Choose the correct option. You don't need to convert to atoms using Avogadro's number then back to moles. Which element in the formula has the largest number of atoms? i.1g of Au = 1/179 mol of Au. Determine the empirical formula of an oxide of iron which has 69.9% iron and 30.1% dioxygen by mass. C) H2O. No of atoms in 1 gm of B =( 1/10.8 )* ( 6.023* 10^23) = 0.58 * 10^23 Also you can check as smaller the atomic mass , larger will be the number of atoms one year ago Uploaded By alkaabi785. - Chemistry. Thus, helium is the smallest element, and francium is the largest. 1 g of Cl contains atoms = 6.022x10 23 /71 * 1= 8.48 x 10 21 atoms . Thus there are 6.023 X 10 23 atoms of copper in 63.5g of copper. 2.6k VIEWS. 1.00 mole of CH4 B. 2:00 2.5k LIKES. Select one: A. use Dynamic Periodic Table in case you don’t have one handy atomic mass of chlorine= 35.5. Periodic Trends of Atomic Radius. Which of the following contains maximum number of atoms a)4.25g of NH3 b)8g of o2 c)2g of h2 d)4g of heDear student a) 4.25 gm of NH3 moles = 4.25/17 = 0.25 b) Which of the following atoms contains the largest number of protons? Atomic radius means the distance between the farthest electron and the center of the nucleus. A) LiF B) NaCl C) CH4 D)MgF2. 63.5g of copper = 6.023 X 10 23 atoms of copper. A.1g Au(s) B.1g Na(s) C. 1g Li (s) D. 1g Cl2(g) 1 See answer kksanthoshdr8387 is waiting for your help. 5.3k SHARES. An atom gets larger as the number of electronic shells increase; therefore the radius of atoms increases as you go down a certain group in the periodic table of elements. Options. 1 mol water B. a)Cs b) At c)Zn d)Hg e)Mn. 1 mol phosphorus trichloride C. 1 mol dinitrogen pentoxide D. 2 mol carbon monoxide E. All of these contain the same number of atoms. 1.00 mole of H3PO4 C. 1.00 mole of KBr According to the octet rule, a potassium atom has a tendency to Select one: A. gain one electron B. lose one electron C. lose two electrons D. gain two electrons Is it true that a molecule with polar bonds will always be polar? Therefore, 0.125 × 10 23 molecules will contain 3 × 0.125 × 10 23 atoms = 0.376 × 10 23 atoms Thus, 1 g of oxygen , 1 g of oxygen molecule and 1 g of ozone will contain same number of oxygen atoms. Or. 6.3k SHARES. Again, this is due to the effective charge at the nucleus. The same procedure applies to finding the number of atoms in a diatomic gas, even though the atoms have combined to form molecules. 71/35.5= 2. How to solve: Which of the following has the largest number of chlorine atoms? 6.3k VIEWS. Consider the hydrate FeSO4 • 7H2O. 1g of Na. Or. Which has the maximum number of atoms? Question from Some Basic concepts in Chemistry,cbse,class11,chemistry,ch1,some-basic-concepts-of-chemistry Which of the following contains the largest number of atoms? 1g of Li contains atoms = 6.022 x 10 23 /7 *1= 86.0 x 10 21 atoms (iv) Gram atomic mass of Cl = 71 Or 71g of Cl contains atoms = 6.022x10 23. In general, the size of an atom will decrease as you move from left to the right of a certain period. The other trend of atomic radius or atom size occurs as you move vertically down an element group. Geeze, NaCl has 1 mole of Na and 1 mole of Cl per mole of NaCl. 1g Au (s) 1g Na (s) 1g Li (s) 1g Cl 2 (g) Advertisement Remove all ads. (i) 300 atoms of A + 200 molecules of B (ii) 2 mol A + 3 mol B (iii) 100 atoms of A + 100 molecules of B (iv) 5 mol A + 2.5 mol B Pages 7 This preview shows page 2 - 4 out of 7 pages. Element Z is larger than Element X. 1g Li (s) has the largest number of atoms. New questions in Chemistry. School Zayed University; Course Title BIO 202; Type. C. 20Ne19F has 19-9=10 neutronsNe=20-10=10 neutrons Which of the following atoms has the same number of neutrons as 19F? Which of the following has the largest number of atoms? 600+ SHARES. 1g of Li = 1/7 mol of Li. Francium has the largest atomic radius since this atom contains the maximum number of shells with the lowest number of protons. So that is 7 moles of atoms per mole $\ce{K2SO4}$. H2 = two H atoms per molecule * 1 moles = 2 moles of H atoms total. A) NaCl B) He C) H2O D) Li. 13. The volume of a cube of metal can be determined from the picture show above. So 0.5g of copper = (6.023 X 10 23 X 0.5) / 63.5 atoms of copper = 4.742 X 10 21 atoms of copper. Aspartame is an artificial sweetener; its formula is C13H16N2O5. 1:38 4.0k LIKES. 600+ VIEWS. Q:-In a reaction A + B2 → AB2 Identify the limiting reagent, if any, in the following reaction mixtures. The sort of atoms in each and each textile is the kind of moles * Avogadro's sort * sort of atoms according to atom. iii. The number of Faradays(F) required to produce 20 g of calcium from molten CaCl2 (Atomic mass of Ca = 40 g mol^–1) is : asked Sep 14, 2020 in Chemistry by Vijay01 ( 50.1k points) neet 2020 Which of the following compounds is not likely to have ionic bonds? Of atoms A) 5.6 L of NH3 B) 4.4g of Co2 C) 52u of He atomic weight =4u) 13th November 2018, 11:25 AM 1.Find the ratio of the number of atoms present in 16g of O2 and 32g of O3. 2.6k SHARES. H2O = two H atoms per molecule * 2 moles = 4 H moles of H atoms total. Solution Show Solution. Which of the following has the largest number of atoms? Which of the following has the largest number of atoms? Furthermore, since the MM of SO_3 is 80.1 g/mol you have (0,0553 g)/(80.1 g/(mol)) = 6,90 xx 10^(-4) mol SO_3. The molar mass of copper is 63.5g. a)^231Pa b)^227Ac c)^232Th d)^226Ra e)^222Rn What is the atomic symbol for an element that has 30 neutrons and a mass number of 55? a. Hence, 1 g of Li (s) will have the largest number of atoms. In determining the radius of an atom we have to consider the number of protons and the how many shells does this atom have. 1 mole (6.02 *10^23 atoms) of any element will weigh the atomic mass of the element in grams. If you have 4 grams, you have 1/4 of a mole, but that means 5 atoms per molecule, so you end up with 1.25 * Avogadro's number of atoms. Test Prep. So that is 2 moles of atoms per mole of NaCl. = 1/23 mol of Na. Hence 1 g Li(s) has the largest number of atoms Hope you found this question and answer to be good. Elements Z and X are compared. Which of the following has the largest number of atoms? Based on this you could say: A) Element Z is further to the left side of the periodic table NH3 = three H atoms per molecule * 1.5 moles = 4.5 moles of H atoms total. MCQ. Now, since 1 molecule of ozone contain 3 atoms of oxygen. CH4 = four H atoms per molecule * 0.5 moles = 2 moles of H atoms total. ii. How can you tell which atom is larger? Thus, 1 g of Li has the largest number of atoms. Obviously, there are more oxygen atoms in SO_3. Which ofhte following will have maximum number of C atoms ? that element which has largest number of moles will have largest number of atoms. Find many more questions on Some Basic Concepts of … One molecule of which among the following elements possesses the maximum number of atoms? C) CH4. This direction increases the size of the atom. Hence out of . 7g of Li contains atoms = 6.022 x 10 23. on condition that Avogadro's sort does not substitute and you in simple terms ought to %. Which of the following has the largest number of atoms? Which one of the following atoms has the largest radius A O B F C S D Cl E Ne. An atom gets larger as the number of electronic shells increase; therefore the radius of atoms increases as you go down a certain group in the periodic table of elements. Which of the following compounds contains the largest number of atoms? A. Methane is CH4, that would make it 12 (for carbon) + 4 *1 (the hydrogen = 16 g per mole. The largest producer of sugarcane in India is - 📌 Thus 1 g of Li has largest number of moles, so largest number of atoms. It's C because Nitrogen would have the least molar mass and therefore take more atoms to make up the 36 g. 1 mol of C-12 has a mass of 12 g, H around 1 g. 1 mol of N2 has a mass of about 28 g, so it would take about 1.29 mol to have a mass of 36 g. You don't even have to bother with krypton, because the atoms are too heavy. (i) 1 g Au = 1/197 mol = 1/197×6.022×10 23 atoms (ii) 1 g Na = 1/23 mol = 1/23×6.022×10 23 atoms (iii) 1 g Li = 1/7 mol = 1/7×6.022×10 23 atoms (iv) 1 g Cl 2 = 1/71 mol = 1/71×6.022×10 23 atoms Thus, 1 g of Li has the largest number of atoms. Get more help from Chegg. The sample weighs 20 grams, which is equal to 1.25 moles. Which one of the following atoms has the largest. The atomic weight of oxygen is 16, so one mole weighs 16 grams. 16O So. Sodium has a atomic mass of 23, so that means 23 g of sodium would be 1 mole (Avogadro number of atoms). Get 1:1 … Then, the bigger amount of oxygen is in the 0,0553 g of SO_3 where there is a bigger number of moles. This time, even though the number of protons increases by a lot, the electron valence shells do not. 1g of copper = (6.023 X 10 23 / 63.5) atoms of copper. Therefore, the number of atoms is 7.53 x 10 23.