Which of the following pairs of elements would have the most similar properties? A. Hydrogen (H) and Helium (He) because they are both gasses

B. Sodium (Na) and Potassium (K) because they have similar reactivity

C. Antimony (Sb) and Silicon (Si) because they are both metalloids

D. Aluminum (Al) and Magnesium (Mg) because they are both silver

George is a dalmatian puppy. describe what happens to light that allows you to see george’s black and white coat.

What type of energy do chemical bonds have? what type of energy is it converted to during chemical reactions? question 15 options: chemical bonds have kinetic energy, which is converted to potential energy during chemical reactions. chemical bonds have electric energy, which is converted to potential energy during chemical reactions. chemical bonds have heat energy, which is converted to kinetic energy during chemical reactions. chemical bonds have potential energy, which is converted to heat energy during chemical reactions.

What are the first two quantum numbers for the electrons located in subshell 4d? what are the first three quantum numbers for the electrons located in subshell 2s? how many electrons can be held in a sublevel l = 3? how many electrons can be held in the energy level n = 4? how many electrons in an atom can share the quantum numbers n = 4 and l = 3?