jayzelayaxl99 jayzelayaxl99

07-11-2022
Chemistry

Answered

The mystery element is in group 2 period 6. It has an atomic weight of
137.33. What element is this, and how many protons and electrons and neutrons does it have

Answer :

Other Questions

In which of these statements are protons, electrons, and neutrons correctly compared? Quarks are present in protons and neutrons but not in electrons. Quarks ar

You have a sample of an element. At room tempera- ture, it is a lightweight, brittle solid with a metallic luster. It has fair conductivity that increases with

Determine the number of valence electrons and what the atoms charge will be when it forms an ion A. O B. As C.ND.AIE.KPlease leave instructions.

Explain how to count the number of atoms in a molecule that has parentheses () around it?

2. What is the frequency of an electromagnetic wave that has an energy of 9.89 x 10-18 J? a. Known values: b. Equation: C. Work: d. Answer:

An infrared wave has a wavelength of 0.00005 m. What is this wavelength in scientific notation? A. 5.0 x 103 m B. 5.0 x 10-4 m C. 5.0 x 10-6 m D. 5.0 x 10-5 m

Which of these statements is one of the conclusions that formed the basis of dalton’s atomic theory?.

The following substance can be prepared by a nucleophilic addition reaction between an aldehyde or ketone and a nucleophile. Identify the reactants from which i

Joey is thinking about applying an equal push force to two objects, one with a small mass, and one with a large mass. What is the most likely outcome to this te

5. What is the difference between an orbital, a sublevel, and an energy level?