A salt is best described as a compound that is formed from the reaction between

an acid and a base.

a strong acid and a weak acid.

a strong base and a weak base.

an acid and water

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Compound A is a amine. Compound B is a amine. Compound C is a amine. Compound D is .

When an oxygen atom forms an ion, it gains two electrons. What is the electrical charge of the oxygen ion? A. +2 B. -1 C. +1 D. -2

Heating a solid substance often causes it to A) condense B) freeze C) evaporate D) dissolve E) melt

Hbr (aq) + nahco3 (aq) → express your answer as a chemical equation. identify all of the phases in your answer.

Glucose and fructose both have the chemical formula (c6h12o6) and are examples of

4 - explicar as mudanças de estados fisicos da materia 6 - definir e exemplificar: -Ligações iônicas ou eletrovalente -Ligações covalentes ou molecular 7-definir substancias puras e suas clasificações 8-definir e exemplificar misturas homogeneas e

What ion forms when an acid is dissolved in a solution?

Suppose you found a material in which 12.5% of the original radioactive atoms were present. if the half-life is 47 years, how old is the material?

How many neutrons does xenon have?

Warm air pushes cool air downward Rising air cools and becomes more dense than the air around it. True/false