Classify Element 79 as metal, nonmetal, or metalloid. Is it a noble gas as well? Which group of elements belongs to the f-block? (a) inner transition metals (b) metalloids (c) metals (d) nonmetals. What are the 4 categories of elements included in the Periodic Table?
It is a post-transition metal that makes up 0.21 parts per million of the Earth's crust. Indium has a melting point higher than sodium and gallium, but lower than lithium and tin. Chemically, indium is similar to gallium and thallium, and it is largely intermediate between the two in ...
What are the elements found in an A group (groups 1, 2, and 13-18) on the periodic table (also called representative elements)? Which of the following elements is a metalloid? a. C b. Ge c. Al d. Sn In which group do all the elements have the same number of valence electrons?
Group 6A (or VIA)of the periodic table are the chalcogens: the nonmetals oxygen (O), sulfur (S), and selenium (Se), the metalloid tellurium (Te), and the metal polonium (Po). What elements does oxygen bond with? Oxygen reacts withsilicon and carbonto form silicon dioxide and carbon...
What is tellurium used for? What is the chemical formula for fluorine gas? What is nitrogen? A metal, nonmetal or metalloid? What are the two primary gases in the homosphere? What group is argon in? Define noble gases What is the atomic number for helium? What is the scientific name fo...
Is mercury classified as a metal, a metalloid, or a nonmetal? Explain. What is the symbol of the element in Group 4A(14) and Period 2 in the periodic table? What is the symbol and name of the element with the following electron configuration? Xe 6s1 An atom of an element has the ...