Which two notations represent atoms that are isotopes of the same element?

a. 12150sn and 11950sn

b. 12150sn and 12150sn

c. 198o and 199f

d. 3917cl and 3919k?

What could happen to the amount of greenhouse gases in the atmosphere if oceans continue to warm? How could this impact global climate and temperatures?

What do we call each step that makes up a reaction mechanism? A. reaction step B. individual step C. Elementary Step D. reactant step

Which element was first discovered on the sun? hydrogen carbon oxygen helium

How much sulfur (in tons), present in the original materials, would result in that quantity of S) 2

The statement that "the lowest energy configuration for an atom is the one having the maximum number of unpaired electrons allowed by the Pauli principle in a particular set of degenerate orbitals" is known as: A. the quantum model B. Hund's rule C.

What is buffer solution?

How can you simulate the radioactive half-life of an element?

What are the horizontal rows on the periodic table?

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