Which pair of species have the most nearly

identical atomic and molecular properties?

1. 35/17Cl and 80/35Br

2. 7/3Li and 9/4Be

3. 23/11Na and 23/11Na+

4. 19/9F and 19/9F-

5. 12/6C and 13/6C

How many grams are there in 1x 1024 molecules of bcl3

Which of the followings represents a negatively charged ion

What is adaptation, and what are some examples of it?

Write a one page letter to your lil cousin explaining how small an atom is

Sodium an alkali metal and chlorine a halogen are both in period 3 of the periodic table which element has a higher ionization energy

How does heat transfer takes place between any two systems?

Hydrate name of CaCl2 * 8 H2O

Calculate the heat evolved from a mixture of 14.1 l of sulfure dioxide

Which stament best describes a solution

Which answer accurately describes the difference between speed and velocity? Read each answer choice carefully. Question 4 options: A. If speed is constant, then velocity is also constant. B. Speed requires direction.