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A synthetic element that is used in smoke detectors is

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When hydrogen reacts with the active metals it forms a chemical bond by?

gaining an electron


When acids react with active metals they always produce what?

When acids react with active metals, they always produce a salt and hydrogen gas.


What does Sulfuric acid react with in the different metals it reacts to?

It reacts with zinc to form zinc sulfate and hydrogen


When hydrogen reacts with active metals it?

forms metal hydrides by gaining an electron and becoming hydride ions. This reaction is highly exothermic and releases energy in the form of heat. Examples of active metals that react with hydrogen include sodium, lithium, and potassium.


Which metal reacts with water?

Very active metals which are on top of the electro-chemical series like sodium can react with water to release hydrogen.


What kind of substance produces hydrogen gas when it reacts with some metals?

An acid, such as hydrochloric acid or sulfuric acid, produces hydrogen gas when it reacts with some metals like zinc or aluminum. The reaction releases hydrogen gas along with a salt as a byproduct.


What gas is produced when a metal and water react?

When a metal reacts with water, hydrogen gas is produced. This reaction typically occurs when a reactive metal, such as sodium or potassium, reacts with water to form the metal hydroxide and release hydrogen gas.


What is a active metal?

An active metal is a type of a metal that tends to react with toughness, and speed, to other elements because of the arrangement of electrons in its structure. Each active metal has a single electron in its outer shell.


What type of gas is released in reaction between metals and acids?

hydrogen gas is liberated when an acid reacts with a metal.The equation is as follows acid + metal=salt + h2


What element reacts by losing 1 electron?

These elements are the alkali metals.


What gas is produced when metals are put in hydrochloric acid?

When metals are put in hydrochloric acid, hydrogen gas is produced as the metal reacts with the acid to form metal chloride and hydrogen gas as a byproduct.


What happens when metal reacts with metal?

Alkali metals reacts violently with water forming a hydroxide and hydrogen; alkali earth metals react with water but no so violent.Other metals doesn't generally react with water at room temperature.