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Question

The atomic number of element Unq is:
  1. 103
  2. 102
  3. 104
  4. 105

A
105
B
102
C
103
D
104
Solution
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The atomic number of element Unq is 104. Its name is Unnilquadium. Its IUPAC official name is Rutherfordium. Its IUPAC symbol is Rf.

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Similar Questions
Q1
Find the number from each of the following expanded forms:
(i) 7 × 104 + 6 × 103 + 0 × 102 + 4 × 101 + 5 × 100
(ii) 5 × 105 + 4 × 104 + 2 × 103 + 3 × 100
(iii) 9 × 105 + 5 × 102 + 3 × 101
(iv) 3 × 104 + 4 × 102 + 5 × 100
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Q2

Write the numeral whose expanded form is given below:
(i) 6×104+3×103+0×102+7×101+8×100
(ii) 9×106+7×105+0×104+3×103+4×102+6×101+2×100
(iii) 8×105+6×104+4×103+2×102+9×101+6×100

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Q3
Express the number :
8×105+7×104+5×103+4×102+6×101+9×100
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Q4
The atomic number of element Unq is:
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Q5
Write the number :
4×106+8×105+6×104+4×103+4×102+6×10+9×100
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