Find the mass of 2 moles of:

1. Oxygen atoms

2. Oxygen molecules

How many electrons does silver have to give up in order to achieve a sido noble gas electron configuration?

Three cards with holes are arranged in a straight line. a light is shined through the first card’s hole and travels through all three cards. what does this tell you about light rays? a) that light is reflected b) that light is refractive c) that light travels in a straight line d) that light does not travel in a straight line

The atomic number, or number, is the described as the number of in the nucleus of an chemical element.