Comparing the mass of the nucleus with the mass off the protons and mass of the neutrons refers to what

The first five ionization energies of an element are as follows (in kJ/mol) : 577.9, 1820, 2750, 11600, 14800. Which of the following elements is most likely to have these ionization energy values? a. Na b. Mg c. AI d. Si e. P

Can photosynthesis occur in the dark if plants are warm?

How well would you expect a microwave oven to heat liquid carbon dioxide

The half-life of a certain element is 100 days. How many half-lives will it be before only one-eighth of this element remains?

What quantities are conserved when balancing a nuclear reaction?

Which describes an object's speed when free falling in a vacuum? The object accelerates until it reaches its terminal velocity. The object falls at a constant speed because only one force acts on it.

If you had 20,000 liters of NO2 how many moles would you have?

What does the name amino acid tell you about the structure of this molecule?

Fluorine is a toxic, reactive gas. which representation (structural formula, electron dot structure, or three-dimensional model) would you use to explain why fluorine is so reactive, why?

The electronic configuration of an element is given below. 1s22s22p63s1 Which statement about the reactivity of the element is true? It is reactive because it has a full outermost energy level.