Which is a model that shows only the valence electrons of an atom?

A. atomic model

B. heliocentric model

C. electron dot diagram

D. Hertzsprung-Russell diagram

A researcher collected data on 100 random homes in Wake County. She then created the following histogram of when each home was built. Select one or more:1. The mean year built is greater than the median year built. 2.

What factors contribute to global winds

A 1kg pool ball travels to the right at 2m/s and hits another stopped pool ball bounces back to the left at 1m/s what is the velocity of the other pool ball

What is the difference between a constellation and an "asterism"? Name at least one commonly known asterism.

How do elements change as you go down a group in the periodic table? A. The average atomic mass decreases. B. The atomic number increases. C. The atoms become more metallic. D. The number of valence electrons increases.

By applying a force of 50N, a pulley system can lift a box with a mass of 20 kg. What is the mechanical advantage of the pulley system?

Three capacitors C1 = 10.1 µF, C2 = 23.0 µF, and C3 = 29.4 µF are connected in series. To avoid breakdown of the capacitors, the maximum potential difference to which any of them can be individually charged is 125 V.

What is the net force in the x-direction? 30 N 34 N 55 N 65 N

If an object does not have domains, will it be possible to make it magnetic?

If the loop is then converted into a rectangular loop measuring 2.1cm on its shortest side in 6.50ms, and the average emf induced across the loop is 14.7V during this time period, what is A. the strength of the B-field