For the elements below, indicate how each element's valence electrons act in a chemical reaction (loses electrons, gains electrons, can either lose or gain electrons, or is generally unreactive): H, K Which of the following elements will form...
a. metalloids b. metals c. liquids d. nonmetals Types of Elements in the Periodic Table: The periodic table is an arrangement of elements into various horizontal rows called periods and vertical columns called groups in the increasing order of their...
An element has the electron configuration [Kr] 5s24d105p2. The element is: a. nonmetal b. transition element c. metal d. lanthanide e. actinide An element has 35 electrons. In which period of the periodic table is this element located?
Which is the most reactive element among the halogens in the periodic table? How many elements are in the second period of the periodic table? What is the first element in the periodic table in the current order? Which element in period 5 of the periodic ta...
The Periodic Table of Elements is sorted in such a way that researchers can rapidly perceive the properties of individual components, for example, their mass, electron number, electron arrangement, and their exceptional substance properties. Answer and ...
a) A forms a 2+ ion; B is in group 2. b) A is a noble gas; B forms a 1- ion. c) A has 3 valence electrons; B is a halogen in group 17. d) A forms a 2 Which group on the periodic table has e...