Use the periodic table to identify the number of core electrons and the number of valence electrons in each case below. Potassium (K) : 1s22s22p63s23p64s1 core electrons valence electrons

The subject of the second part of messiah is:

If a marathon runner averages 9.50 mi/h, how many minutes does it take him or her to run a 26.22-mi marathon?

How many significant figures does the number 91010.0 have?

On the moon, gravity causes a rock hammer to fall more slowly to the ground than on earth which lunar factors causes the slower rate of fall?

Why are asteroids and comets important to our understanding of solar system history?

Why is carbon and nitrogen important?

Gizmo answer sled wars

3. What is the kinetic energy of a 1300 kg car moving at 26.3 m/s?

Kendall has empty graduated cylinder with markings and an identical graduated cylinder partway filled with water. She also has a balance and a marble. Which statement best describes what Kendall can do? A.

2. With regard to the pH scale, a solution with a pH A. higher than 7 is considered an acid. B. lower than 7 is considered basic. C. of 6 is considered neutral. D. close to 14 is considered a strong base.