Valence electrons are important because these are the only electrons involved with an atom's

A. charge.

B. nuclear behavior.

C. chemical reactivity.

D. radioactive properties.

Describe Dalton's atomic theory.

Neugarten argues that our society is becoming age-irrelevant with respect to development. Which of the following BEST illustrates this argument? A. Even the oldest in our society are remaining healthy and active. B.

A compound was isolated and found to contain 72.2% magnesium and the rest nitrogen. What is the empirical formula of this compound?

Ate sound waves vibrations? why

Who was the first hispanic justice of the United States Supreme Court

How many moles are in 25.2g of KMnO4?

Lewis diagram of Ozone

Name the feature of the ocean floor shown at A and describe how it's formed.

A certain element consists of two stable isotopes. The first has a mass of 62.9 amu and a percent natural abundance of 69.1 %. The second has a mass of 64.9 amu and a percent natural abundance of 30.9 %. What is the atomic weight of the element?

Nonmetals rarely lose electrons in chemical reactions because?