1A 8A H 2A 3A 4A 5A 6A 7A He Li Be B C NOF Ne Na Mg 38 4B 5B 6B 7B A1 si P S cI Ar K Ca sc Ti v Cr Mn Fe Co Ni Cu Zn Ga Ge As Se Br Kr Rb Sr Y zr Nb Mo Tc Ru Rh Pd Cd In Sn Sb Te I Xe Cs Ba La Hf Ta w Re os Ir Pt Au Hg TI Pb Bi Po At Rn Fr Ra Ac Rf Ha Ce Pr Nd Pm Sm Eu Gd Tb Dy Ho Er Tm Yb Lu Th Pa u Np Pu Am Cm Bk Cf Es Fm Md No Lr (1) The element with an electron configuration of 1s²2s²2p°3: s²3d1º4p° is in group and period (2) The element with an electron configuration of 1s²2s²2p°3 d104p³ is in group and period
States of Matter
The substance that constitutes everything in the universe is known as matter. Matter comprises atoms which in turn are composed of electrons, protons, and neutrons. Different atoms combine together to give rise to molecules that act as a foundation for all kinds of substances. There are five states of matter based on their energies of attraction, namely solid, liquid, gases, plasma, and BEC (Bose-Einstein condensates).
Chemical Reactions and Equations
When a chemical species is transformed into another chemical species it is said to have undergone a chemical reaction. It consists of breaking existing bonds and forming new bonds by changing the position of electrons. These reactions are best explained using a chemical equation.
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Interpretation: From the given electronic configuration of elements their respective group and period are to be identified.
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