BasicsStoichiometry #Atomic Mass Unit3081Choose the best answer1/N_A gram is approximately equal to:AApproximately the mass of a protonBMolar massCAtomic mass unit (amu)DA and C Like 0 Discuss 0Share
UHS MDCAT 2023 ChemistryUHS MDCAT 2023 Past Paper#Atomic and Ionic Radius#Periodic Trends3082Choose the best answerWhich of the following has the highest atomic radius in its period? (UHS MDCAT 2023)AAlkaline earth metalsBAlkali metalsCChalcogensDHalogens Like 1 Discuss 0Share
LiquidsHydrogen Bonding in Water3083Choose the best answerIn the simplified textbook treatment, intermolecular hydrogen bonding is considered absent in:ASteamBIceCH₂SO₄DHF Like 0 Discuss 0Share
StoichiometryMolar Volume and Number of Molecules3084Choose the best answerHow many molecules are present in 56 dm³ O₂ at STP (273 K and 1 atm)?A6.02 × 10²³B3.01 × 10²³C1.505 × 10²³D1.505 × 10²⁴ Like 0 Discuss 0Share
StoichiometryMole Concept and Number of Protons3085Choose the best answerHow many protons are present in 1 mol H₂?A6.02 × 10²³B1.20 × 10²⁴C12.04 × 10²²D6.02 × 10²⁴ Like 0 Discuss 0Share