Among the elements mentioned in the question Ga, Br, Hg are liquid at room temperature. Among these Cl and Rn are gaseous at room temperature and rest in the list are solid at room temperature. Hg and Br are liquid at room temperature but Ga becomes liquid at or just above the room temperature.
Identify the elements that are liquid at room temperature. Cl Ga Br Rn Ca Hg Cu
Co Ni Cu Zn Ga Ge As Se Br Kr Na Mg 3B 4B 5B 6B7B 8B 1B 2B A1 V Cr Mn Fe Co Ni Cu Zn be Bh s v 2 No Ma Tc Ru Rh Pa ng ca tn sn sh Te | Xe Os Ir TI Pb Bi At Rn BE Nd Pm 2 Ho Er Tm Yb Lu ES ed Pa U Np Pu Am Cf Es Fm Md No Lr (1) What is the...
The vapor pressure of liquid bromoethane, CH,Br, is 100. mm Hg at 263 K. A 0.406 g sample of liquid CH Br is placed in a closed, evacuated 440 ml container at a temperature of 263 K. Assuming that the temperature remains constant, will all of the liquid evaporate? What will the pressure in the container be when equilibrium is reached? mm Hg
The Periodic Table of Elements He B CNOFNe Al Si PS CI Ar K Ca ScT V Cr Mn Fe Co Ni Cu Zn Ga Ge As SeBr Kr Rb Sr YNbM Ru Rh Pd Ag Cd In n Sb TXe Hf Ta W Re Os r Pt Au Hg T PbBi Po At Rn Li Be Cs Ba Fr Ra Ce Pr Nd Pm Sm Eu Gd Tb Dy Ho Er Lu What is the configuration for the valence...
identify the elements in each box 24 A. a pale, yellow gas at room temperature A. Reddish brown liquid at room B. Most reactive of the non-metals temperature C. Smallest atomic radius of its group B. a halogen C. Ion has a charge of -1 A. Is a halogen A. Has 13 electrons B. Has an atomic number larger than B. Has 3 onter energy level electrons element code #25 but less than element C. a metal code #24 C....
just need multiple choice letter answer dont need explanation 22. Identify the isoelectronic elements. a. Cl-, F, Br, F, At b. P3-, S2-, Cl-, K+, Ca2+ c. Ne, Ar, Kr, Xe, He d. N3-, S2-, Br, Cst, Sr2+ e. Zn2+, Co2+, Cu?', Cr2+, Cd2+ 23. Choose the best Lewis structure for ICls. ci Lä. a." ¢ Cl. b. d. C.. 24. Choose the best Lewis structure for NO. 20-N-0: [0-N=0. LO: a. LÓ: d. L 0
Can you show your steps on how you solved this, thanks! 12. Bromine is one of only two elements that is a liquid at room temperature. The graph below shows vapour pressure data for bromine obtained from the CRC Handbook; the line of best fit has slope -4910 K and intercept 15.2. What are the values of enthalpy and entropy of vapourization, AHvap for bromine? -1 -6 -8 -10 -12 0.003 0.0035 0.004 0.0045 0.0050.0055 UT (K- 12. Bromine is...
Select the elements and compounds from the following lists that are gases at room temperature. Elements: F,Br,I,N,P,Kr,Ge,Xe,He Compounds: H2O,CO2,N2O,AlCl3,HCl,LiBr,CaCl2,CaO,SiO2
14. Identify the isoelectronic elements/ions a) F–, Cl–, Br–, I– b) Li, Na, K, Rb d) Ti2+, Cr2+, Fe2+, Cu2+ e) As3–, Se2–, Rb+, Sr2+ h) Both “c” and “d” c) P3–, S2–, Br–, Rb+ f) B, C, N, O g) Both “a” and “b” h) Both “c” and “d”
1.A gas container is initially at 47 mm Hg and 77 K (liquid nitrogen temperature.) What will the pressure be when the container warms up to room temperature of 25 ˚C?
An atom of which of the following elements has the highest electron affinity? Select one: a. Br b. Cl c. Rb d. As e. Se An atom of which of the following elements is not diamagnetic in the ground state? Select one: a. Rn b. Ca c. Pt d. Cd e. All are diamagnetic. The general electron configuration for the outermost electrons of the halogens is Select one: a. ns2np4 b. ns2np5 c. ns2np6 d. ns2np2 e. ns2np3 What...