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

What is hard but flexible structure is found in the nose and ears

The wave speed of sound waves traveling through four different media was measured at a constant temperature. Results are summarized in the table.

What is one way you can ensure good oberservations when you do scientific work

Suppose planet a is exactly twice the size (in surface area) of planet b. if both planets have the same exact surface temperature (1500 k), explain which planet would be emitting the most radiation and why?

The mass of the Sun is 2 * 1030 kg, and the mass of Saturn is 5.68 * 1026 kg. The distance between Saturn and the Sun is 9.58 AU.

What is the hottest layer in the Sun's atmosphere?

Which do you need to calculate the speed of a wave? A. distance and frequency B. distance and time C. time and frequency

What is one of the benefits that scientists have discovered from organisms' daily exposure to radioisotopes? 1. being able to Carbon date fossils 2. X-ray Imaging capability 3. radiation treatment for cancer 4. invention of microwave cooking

Despite valid research, in the late 1900s, women and minorities were thought to have a higher level of intelligence than white males

Radio communications were severely Distributed last week And the local newspaper says that solar activity is to blame. Which type of solar activity could the newspaper be talking about?