What are the elements in Group {eq}1A {/eq} on the periodic table called? (a) alkali metals (b) alkaline earth metals (c) halogens (d) inner transition metals.The periodic table:The periodic table:The periodic table host...
What elements characterize a community? a. Shared needs. b. Shared values and norms c. Shared geographical boundaries. d. All of the above. Community: In general, a community consists of people that have a sense of unity. This means ...
What are examples of metals non-metals and metalloids? Which of the elements in the following periodic table are halogens? State five metalloid elements. Is arsenic a metal, a nonmetal, or a metalloid? What other elements are in the same group on the periodic table as arsenic?
Certification Microsoft 365 Certified: Endpoint Administrator Associate - Certifications Plan and execute an endpoint deployment strategy, using essential elements of modern management, co-management approaches, and Microsoft Intune integration. English...
人体内的血管如同地球上纵横交错的河流，分布在我们身体内的每个角落，它和心脏一起组成了人体内连续的封闭式输送管道，这样管道在体内四通八达，可将血液输送到全身。如果把一个成人的全部血管连接起来，其长度接近( )。
What are the relative positions of main group elements and transition elements? (Select all that apply.) main group elements are in periods near the top main group elements are in groups in the center main group elements are in groups on the le...
Suppose that are two subgroups of some ambient group , with the index of in being finite. Then is the union of left cosets of , thus for some set of cardinality . The elements of are not entirely arbitrary with regards to . For instance, if is a normal subgroup of , then for each ...
What elements are in the Earth's inner core?The Earth's Layers:The earth can be subdivided into three layers. The thinnest and outermost of these layers is termed the crust. It lies above the mantle. Below the mantle lies the core which is the thickest layer of the earth....
a. group 1 b. group 2 c. group 7 d. group 8 Periodic Table of Elements: , The periodic table of elements uses a systematic way of arranging the elements based on their differences and similarities in their physicochemical properties. Those that have...
While green tech has become increasingly popular in the modern age, elements of these business practices have been in use since the Industrial Revolution. Beginning in the early 19th century, scientists began to observe the ecological impacts of coal-burning industrial plants, and manufacturers have ...