Use the periodic table to give the name and symbol for each of the following ele

Question

Use the periodic table to give the name and symbol for each of the following elements: a. 3. the noble gas in the same period as germanium the alkaline earth metal in the same period as selenium the halogen in the same period as lithium the chalcogen in the same period as cadmium the halogen in the same period as the alkali metal with 11 protons the alkaline earth metal in the same period with the neutral noble gas with 18 electrons the noble gas in the same row as an isotope with 30 neutrons and 25 protons the noble gas in the same period as gold b. c. d. e. f. g. h.

Explanation / Answer

a) Krypton

b) Calcium

c) Fluorine (group 17 elements are called halogens)

d) Tellurium (group 16 elements are called chalcogens)

e) Chlorine (no. of protons = no. of electrons = atomic number)

f) Magnesuim

g) Krypton

h) Radon

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