WebAnswer: (a) noble gas; (b) chalcogen; (c) alkaline earth metal; (d) alkali metal. In studying the periodic table, you might have noticed something about the atomic masses of some of the elements. Element 43 (technetium), element 61 (promethium), and most of the elements with atomic number 84 (polonium) and higher have their atomic mass given in ... Web17 sep. 2024 · AstatineExplanation:a. An element of the same family as oxygen corresponds to group 16 ... a. a member of the same family as oxygen whose most sta‐ ble ion contains 54 electrons b. a member of the alkali metal family whose most stable ion contains 36 electrons c. a noble gas with 18 protons in the nucleus d. a halogen with 85 ...

In groups on the periodic table, how do you know the charges of …

Webhalogen, any of the six nonmetallic elements that constitute Group 17 (Group VIIa) of the periodic table. The halogen elements are fluorine (F), chlorine (Cl), bromine (Br), iodine … WebThe members of the alkaline earth metals include: beryllium (Be), magnesium (Mg), calcium (Ca), strontium (Sr), barium (Ba) and radium (Ra). As with all families, these … jeff knierim wheeling wv

Group 12 element - Wikipedia

WebAnd so once again, the alkaline earth metals are going to react in similar ways. They have similar chemical properties, and so that's, again, a convenient way of organizing the periodic table into groups. For right now, let's just go ahead and say-- groups 3 through 12-- these are all metals in here. WebThe alkaline earth metals - beryllium, magnesium, calcium, strontium, barium, and radium - are a reactive group of metals. Because they combine easily with many other elements, the alkaline earth elements are not found on Earth in the form of their free metals. Weba) group number of of alkaline earth metal is 2. b) name of the family of elements in group 17 is halogen. c) group number of element that forms +1 ions is 1. d) pnictides famil … View the full answer Transcribed image text: oxford houses in buffalo ny