Imagine scientists have discovered a new element X, whose atomic number is 119. Write the short form electron configuration for this element and give the four quantum numbers for its last

electron

Zoe is investigating the composition of substance a, an unknown substance. using chemical processes, she analyzes substance a and determines it is composed of sodium, oxygen, and hydrogen atoms in a ratio of 1 : 1 : 1. what is substance a? a. a compound b. an element c. a heterogeneous mixture d. a homogeneous mixture

How is the atomic number of a nucleus changed by alpha decay

Which suspect most likely committed the robbery and how do you know