From the following nuclei select the isobars:
`_90^(234)Th`, 92U'234, 1H1

Find the 15^(th) term of the following sequence whose n^(th) term is a_n = (-1)^(n + 1) (2n - 5)

Find the 11^(th) term of the following sequence whose n^(th) term is a_n = (-1)^(n + 1) (5n -10)

If A= ((1,0,0),(2,1,0),(3,2,1)), U_(1), U_(2), and U_(3) are column matrices satisfying AU_(1) =((1),(0),(0)), AU_(2) = ((2),(3),(0))and AU_(3) = ((2),(3),(1)) and U is 3xx3 matrix when columns are U_(1), U_(2), U_(3) then answer the following questions The value of [3 2 0] I((3),(2),(0)) is

Find the position vector of the mid point of the vector joining the points P(2,3,4), Q(4,1,-2)

The Q value of a nuclear reaction A + b rarr C + d is defined by Q = [ m_A + m_b -m_C- m_d]c^2 where the masses refer to the respective nuclei. Determine from the given data the Q-value of the following reaction and state whether the reaction is exothermic or endothermic. "_1^1H + "_1^3H rarr "_1^2H + "_1^2H Atomic masses are given to be m ( "_1^2H ) = 2.014102 u m ( "_1^3H ) = 3.016049 u

Find the 20th term from the end of the following arithmetic progressions.,- 1, 4, 7, 10, ....... 88.

The Q-value of a nuclear reaction A+b rarr C+d is defined by Q=[m_A+m_b-m_C+m_d]c^2 Where the masses refer to the respective nuclei. Determine from the given data the Q-value of the following reactions and state whether the reactions are all exothermic and endothermic. "_1^1H+_1^3Hrarr_1^2H+_1^2H