Which element has the lowest first ionization energy?A. LiB. NaC. MgD. Al5. In which region of the Periodic Table would the element with the electronic structure below be located?1s22s22p63s23p63d104s24p64d65s2A. group 6B. group 8C. group 2D. group 86. An element with the symbol Z has the electron configuration 2.8.6.Which species is this element most likely to form?A. The ion Z2+B. The ion Z6+C. The compound H2ZD. The compound Z6F7. Isotopes of an element differ in their:A. atomic numberB. number of neutronsC. position in the Periodic TableD. electronic arrangement8. Spectra have been used to study the arrangements of electrons in atoms.An emission spectrum consists of a series of bright lines that converge at high frequencies.Such emission spectra provide evidence that electrons are moving from.A. lower to higher energy levels with the higher energy levels being closer together.B. lower to higher energy levels with the lower energy levels being closer together.C. higher to lower energy levels with the lower energy levels being closer together.D. higher to lower energy levels with the higher energy levels being closer together.9. Which species contains 16 protons, 17 neutrons and 18 electrons?A. 32S-B. 33S2-C. 34S-D. 35S2-Page 7 of 77STRUCTURE-110. Which of the following particles contain more electrons than neutrons?I. 11HII. 1735Cl-III. 1939 K+A. I onlyB. II onlyC. I and II onlyD. II and III only11. The first four ionisation energies (kJ mol-1) for a particular element are 550, 1064, 4210 and 5500respectively. This element should be placed in the same Group asA. LiB. BeC. BD. C12. What information about the structure of a hydrogen atom can be gained from its emission spectrum?A. Most of the mass of the atom is in its nucleus.B. A hydrogen atom contains one proton and one electron.C. The electron in the hydrogen atom is held near the nucleus.D. The electron may exist in any of several energy levels.13. The correct number of protons and the electron configuration for chlorine isnumber of protons electron configurationA. 17 2, 8, 7B. 17 2, 8, 8C. 18 2, 8, 7D. 18 2, 8, 814. The relative masses and charges of protons, neutrons and electrons are:mass chargeproton 1 +1neutron 1 0electron negligible −1Using these data, what are the values for the mass and charge of the helium nucleus?mass chargeA. 2 +2B. 2 0C. 4 +2D. 4 0Page 8 of 77STRUCTURE-115. Isotopes of an element have the same number ofA. protons and electrons.B. protons and neutrons.C. neutrons and electrons.D. protons, neutrons and electrons.16. What is the difference between two neutral atoms represented by the symbols59 5927 28Co and Ni ?A. The number of neutrons only.B. The number of protons and electrons only.C. The number of protons and neutrons only.D. The number of protons, neutrons and electrons.17. How many electrons are there in one24 212 Mg + ion?A. 10B. 12C. 14D. 22