Which of these provides the BEST evidence that the distribution of Earth's oceans has changed over time?

In what situation do covalent bods occur? A. electrons are shared by many atoms and move freely B. electrons are shared equally or C. a stronger atom pulls electrons away from the weaker atom

A soccer player kicks a ball 6.5 meters. How much time is needed for the ball to travel this distance velocity is 22 meters per second, south?

Which character is given by the angular momentum quantum number? a: orbital size b: orbital mass c: orbital shape d: orbital orientation

What is the nuclear charge in an atom of boron

The concentration of SO32 - in a solution is determined by titration with a 0.1355 M permanganate solution.

Which of the following determines the strength of the force and gravity between two objects? choose all that apply A) the speeds of the objects B) the masses of the objects C) the distance between the objects D) the volume of the objects

The opposite of vaporization

6.8. Liquid methyl ethyl ketone (MEK) is introduced into a vessel containing air. The system temperature is increased to 55°C, and the vessel contents reach equilibrium with some MEK remaining in the liquid state.

What is the pH of a solution that has a H + concentration equal to 1.7 x 10-5 M? 5.20 0.22 10.20 4.77

4 Compared to the energy and charge of the electrons in the first shell of a Be atom, the electrons in the second shell of this atom have (1) less energy and the same charge (2) less energy and a different charge (3) more energy and the same charge