Name the element that is in group 17, period 2

What is an identity of an alpha particle

What is a family of elements

The chain of many building blocks such as is found in cellulose polypeptides a nucleic acid's is known as what

What is the order, from simplest to most complex, for the classification of matter

Which statement correctly describes an atom of the element helium? A. An atom of helium has eight electrons in its outer energy B. An atom of helium most similarly behaves like an atom of hydrogen since it is in the same period. C.

What is 19 hundred thousandths in scientific notation

There state of matter that keeps its shape and volume when it is placed in a container

Our body solution tests at a pH of about 6.8. This pH is:

A diatomic gas has the molar mass of 38.00g/mol. what is the possible formula?

Which of the following is the final concentration of KCl if 500 ml of 0.25 M KCl is diluted to a final volume of 5 L? 0.025 L 0.0025 L 25 L 2.5 L