_____ is the first element on the periodic table, making it the lightest element. Since it is so light, it rises in the atmosphere and is therefore rarely found in its pure form.
举一反三
- The Curies received another honor in 1944 with the discovery of the 96th element on the Periodic Table of the Elements, which was named curium. (Para. 13) </p></p>
- In a singly linked list which operation depends on the length of the list.( ) A: Interchange the first two elements of the list B: Delete the first element of the list C: Add an element before the first element of the list D: Delete the last element of the list
- You<br/>are given pointers to first and last nodes of a singly linked list,<br/>which of the following operations are dependent on the length of the<br/>linked list? () A: Delete<br/>the first element B: Insert<br/>a new element as a first element C: Delete<br/>the last element of the list D: Add<br/>a new element at the end of the list
- It is known that hydrogen _____ (be) the lightest element.
- If A is a matrix, the function max(A(:)) is ( ). A: to return the first element B: to return the maximum element in each row of the matrix C: to return the maximum element in each column of the matrix D: to return the largest element of the entire matrix