An atom dose not have to have equal number of?

Imagine two electrons: one is close to the nucleus and one is far away. Which electron would be easier to remove from the atom and why?

Which substance yields H + (aq) as the only positive ion in an aqueous solution

How to find the volume of an irregular solid

Ammonia can be made by reaction of water with magnesium nitride: __ Mg3N2 (s) + __ H2O (l) → __ Mg (OH) 2 (s) + __ NH3 (g) When the equation is properly balanced, the sum of the coefficients is

Energy comes in different forms. Check each box that applies. Burning gasoline as fuel for a car involves electromagnetic energy. thermal energy. solar energy. mechanical energy. chemical energy. nuclear energy.

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.