The electron configuration 1s2 2s22p6 3s23p6 represents which noble gas? neon argon helium krypton

Which of following is harmful to the ozone layer by decomposing O3 to O2? carbon dioxide sulfur dioxide greenhouse gases chlorofluorocarbons

If I want to make 100.0 g of my own salt (because I can and that's how I roll), how much elemental chlorine would I need?

Bacteria living in the soil are dependent upon which of the following abiotic factors? a. plant root structures and oxygen content b. soil temperature and water content c. nitrogen content and insect activity d.

The nuclear mass of 56fe is 55.9207 amu. calculate the binding energy per nucleon for 56fe.

Each of the diagrams below shows an electrically neutral atom. fill in the missing number of protons (n) neutrons (and), electrons (e), and atomic mass (m). then complete the questions in the space below

What is the total number of valence electrons in a sulfide ion in the ground state? (1) 8 (3) 16 (2) 2 (4) 18

Write the name and formula of the compound made of magnesium and fluorine

How was or wasn't the scientific method followed in this experment

1‑propanol (nn ‑propanol) and 2‑propanol (isopropanol) form ideal solutions in all proportions. Calculate the partial pressure and the mole fraction (yy) of the vapor phase of each component in equilibrium with each of the given solutions at 25 °C.

4. suppose you are setting up a reaction that requires an iodide salt and are planning to use sodium iodide. however, at the last minute you find that you are out of sodium iodide, so you must use potassium iodide instead.