The double bond between two oxygen atoms (a molecule of oxygen air) has two characteristics. What are they?
A. Four valence electrons are shared,
B. An ionic bond is formed.
C. A metallic bond is formed.
D. Valence electrons are shared between oxygen atoms.

What type of relationship exists between the length of a wire and the resistance, if all other factors remain the same? o a. resistance is directly related to length. ob. resistance is directly related to the square of the length. c. resistance is inversely related to the length. d. resistance is inversely related to the square of the length. reset next

A2k pendulum has a speed of 1 m/s at a height of 1/2 meter

Suppose that f : rn → rm and that a ∈ k, where k is a connected subset of rn . suppose further that for each x ∈ k there exists a δx > 0 such that f(x) = f(y) for all y ∈ bδx (x). prove that f is constant on k; that is, f(x) = f(a) for all x ∈ k