Match the following.
`{:("a) Carbon","1) 2, 8, 8"),("b) Argon","2) 2, 8, 7"),("c) Chlorine","3) 2"),("d) Helium","4) 2, 4"):}`

{:("LIst-I ",,"LIst-II "),("(P) 2, 8, 1",,"1. Neon"),("(Q) 2, 8, 7",,"2.Sulphur"),("(R) 2,8,6",,"3. Chlorine"),("(S) 2,8",,"4. Sodium"):}

Match the following : {:(,A,,B),((1),K,(a),2.8.1),((2),L,(b),2),((3),M,(c ),2","8.8),((4),"Sodium",(d),18),((5),"Atgon",(e ),8):}

The correct electronic configuration of a chloride ion is : (a) 2, 8 (b) 2, 8, 4 (c) 2, 8, 8 (d) 2, 8, 7

Write D_x for the following simultaneous equations 3x+4y=8,x-2y=5 a) |(3,4),(1,-2)| b) |(8,4),(5,-2)| c) |(4,8),(-2,5)| d) |(3,8),(1,5)|

If A=[(2, 0,-3),( 4, 3, 1),(-5, 7, 2)] is expressed as the sum of a symmetric and skew-symmetric matrix, then the symmetric matrix is (a) [(2, 2,-4 ),(2, 3, 4),(-4, 4, 2)] (b) [(2, 4,-5),( 0, 3, 7),(-3, 1, 2)] (c) [(4, 4,-8),( 4, 6, 8),(-8, 8, 4)] (d) [(1, 0 ,0 ),(0 ,1 ,0),( 0, 0, 1)]

If A=[(2, 0,-3),( 4, 3, 1),(-5, 7, 2)] is expressed as the sum of a symmetric and skew-symmetric matrix, then the symmetric matrix is (a) [(2, 2,-4 ),(2, 3, 4),(-4, 4, 2)] (b) [(2, 4,-5),( 0, 3, 7),(-3, 1, 2)] (c) [(4, 4,-8),( 4, 6, 8),(-8, 8, 4)] (d) [(1, 0 ,0 ),(0 ,1 ,0),( 0, 0, 1)]

Draw number lines and locate the points on them : (a) 1/2,1/4, 3/4, 4/4, (b) 1/8, 2/8, 3/8, 7/8, (c) 2/5, 3/5, 8/5, 4/4

1.Draw number lines and locate the points on them: (a) 1/2, 1/4, 3/4, 4/4 (b) 1/8, 2/8, 3/8, 7/8 (c) 2/5, 3/5, 8/5, 4/5

Find the mode of the following data: 8.5,8.3,8.2,8.2,8.4,8.7,8.7,8.3,8.2,8.6,8.2