Examlex
Given the following electronic configuration of neutral atoms,identify the element and state the number of unpaired electrons in its ground state:
-[He]2s22p3
Housing Development
The process and business of developing land into residential properties, including homes and apartment buildings.
Profits
The financial benefit realized when revenue from business activities exceeds the expenses, costs, and taxes involved in sustaining the activity.
Planes
Large fixed-wing aircraft that are propelled forward by thrust from a jet engine or propeller, used for transporting passengers and cargo over long distances.
Houses
are structures serving as living quarters for one or more persons, especially for a family.
Q7: In the reaction 2Ca(s)+ O<sub>2</sub>(g) <span
Q10: Germanium has _ in its 4p orbitals.<br>A)one
Q26: For the elements Cs,F,and P,the order of
Q27: Which of the following atoms has the
Q38: The potter's wheel developed in approximately 4000
Q40: Combustion of coal releases sulfur dioxide into
Q53: Dissolution of calcium hydroxide with another reagent
Q73: How many electrons must be shown (as
Q86: A 2.80-g sample of an oxide of
Q111: Consider the element indium,atomic number 49,atomic mass