ozone, O3 methane, CH4 oxygen gas, O2 Are classified as

What is the source of the material that now makes up the sun and the rest of the solar system?

How many neutrons does element x have if it's atomic number is 35 and it's mass number 71

Once the causes of a problem with a product are identified, the next step is to a. communicate the solution. b. identify a need. c. redesign the product. d. build a prototype.

Attempting to alleviate stress directly by changing the stressor is known as

A metal pot feels hot to the touch, but the plastic handle does not. Which type of material is the plastic handle? A. A thermal insulator, because it transfers heat easily B. A thermal conductor, because it does not transfer heat easily C.

What is the force on a 1-kg ball that is falling freely due to the pull of gravity

Which would react chemically by forming an ionic bond? A. 2 chlorine atoms with 7 valence electrons each B. 1 neon atom with 8 valence electrons and 1 lithium atom with 1 valence electron C.

Which of these are considered an oxidizing mutagenic agent? x-rays benzopyrene gamma rays

5. A B note has a frequency of 493.88 Hz. Calculate its wavelength in meters.

When one of the electrons of a particular atom undergoes a transition to a quantum state of lower energy, it a) collides with another of its electrons b) exchanges quantum states with another of its electrons c) undergoes a transition to a quantum