QUESTION 1 (04.06 LC)
What can we tell from the column that an element is in? (2 points)
The year the element was discovered
The number of protons in the nucleus
The number of electrons in the outer energy level
The mass of the atom

How does the image distance (di) of a convex lens compare with the image distance of a concave lens? a. the image distance of the convex lens is positive, and that of the concave lens is negative. b. both are negative for a virtual image. c. both are positive for a virtual image d. the image distance of the convex lens is negative, and that of the concave lens is positive.

In a voltaic cell, electrons flow from the (positive/negative) to the (positive/negative) terminal.

Write the function getkthdigit(n, k) that takes a possibly-negative int n and a non-negative int k, and returns the kth digit of n, starting from 0, counting from the right