Calculate the atomic mass of silicon. The three silicon isotopes have atomic masses and relative abundances of 27.9769 amu (92.2297%), 28.9765 amu (4.6832%) and 29.9738 amu (3.0872%). Show your work.

Many reactions are exothermic and undergo an increase in entropy. These types of reactions are thermodynamically favorable.

Is silver malleable because the valence electrons are strongly attracted to the nucleus

Are earthquakes scattered all over the world or do they seem to occur near each other (in groups) ?

Which organism is made up of a prokaryotic cell? A.) Flea B.) Amoeba C.) Sunflower D.) Bacterium

Examples of renewable resources

How can you determine the valence electrons in an electron configuration?

Methods used to reduce sulfur dioxide emissions from smokestacks are an attempt by humans to A lessen the amount of insecticides in the environment B eliminate diversity in wildlife C lessen the environmental impact of acid rain D use non chemical

What does 54 in mn-54 represent

Valerie wants to examine the properties of a thick liquid but is finding it difficult to pour the liquid into a beaker. She needs to finish her investigation before the end of class.

What is the chemical name of baking soda