What makes noble gases stable

On the period table, the rows are called Question 3 options: A. periods B. columns C. sections D. groups

Why do scientists need to study seismic waves to analyze the interior of the earth and the layers of the earth?

How does a chemical equation express relationship between substance?

A container with the ability to expand and contract has its pressure changed from 5.0 atm to 7.5 atm at constant temperature. It the original volume was 4.0 L, what is the new volume?

How does the electron configuration of elements within the same group compare? (A.) They all have their valence electrons in the same energy level. (B) They all have their valence electrons in the same type of subshell.

What is the electronegativity difference of Cr & F?

Describe four examples of changes in state

A certain radionuclide is used to diagnose lymphoma. An atom of this radionuclide contains 31 protons and 36 neutrons. Which statement is correct about the radionuclide?

Identify the bonds between atoms of each pair of elements as nonpolar covalent, moderately polar covenant, very covalent or ionic. H and Br, CL and F, K and CL, Li and O, C and O, Br and Br

The combining of atoms is known as nuclear fusion. true false