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Which of the following groups in the periodic table contain elements so reactive that they are never found in the free state?
Group 1 (alkali metals) and Group 17 (halogens) in the periodic table contain elements that are highly reactive and are never found in their free state in nature. Alkali metals readily react with water or air, while halogens are highly reactive nonmetals that form compounds with other elements quickly.
What state of matter do halogens naturally occur in?
Halogens naturally occur in the gaseous state. Examples of halogens are fluorine, chlorine, bromine, iodine, and astatine.
In which group number is bromine found?
Bromine is found in Group 17 of the periodic table, also known as the halogens. It is a nonmetallic element that is typically found as a diatomic molecule (Br2) in its natural state.
Which metals occurs in a free state?
Only a few metals are found in the free state, generally metals react to form for example oxides, sulfides which then may further react. Some found free are gold silver copper and platinum. All of these are relatively unreactive
Halogens are only found in nature as what?
Halogens are found in nature primarily as salts, such as sodium chloride (table salt) or potassium iodide. They are highly reactive nonmetals that readily form ionic bonds with metals to create mineral salts.
Which of the following groups in the periodic table contain elements so reactive that they are never found in the free state?
Group 1 (alkali metals) and Group 17 (halogens) in the periodic table contain elements that are highly reactive and are never found in their free state in nature. Alkali metals readily react with water or air, while halogens are highly reactive nonmetals that form compounds with other elements quickly.
Did halogens frequently occur in nature as free elements?
Yes, the halogens did occur in nature as free elements.
Can plasma be found in street lights?
A plasma is a state of matter sohot that the electrons are no longer bound to the nucleus. It is like a soup of nucleii and free electrons. In very hot bulbs like Halogens, a plasma exists.
What state of matter do halogens naturally occur in?
Halogens naturally occur in the gaseous state. Examples of halogens are fluorine, chlorine, bromine, iodine, and astatine.
What is the oxidation state of all halogens?
-1
Why are the halogens not found naturally in the earth's crust as the pure elements?
The halogens are not found naturally in the earth's crust as pure elements because of their extreme reactivity. Because the halogens are close to having completely filled electron shells, they will often react with other substances in order to gain an electron. As an especially noteworthy case, fluorine is the most reactive of the halogens (and elements in general), and will even react with glass. Therefore, the halogens are found naturally as compounds, not pure elements.
In which group number is bromine found?
Bromine is found in Group 17 of the periodic table, also known as the halogens. It is a nonmetallic element that is typically found as a diatomic molecule (Br2) in its natural state.
Whats the Themes found in a free state novel by Naipual?
The themes found in the novel In A Free State by V.S. Naipaul are racism and the main theme freedom.
When do halogens show 1 and -1 oxidation states?
When halogens bind to more electropositive elements (compared it itself), they show -1 oxidation state. When halogens bind to more electronegative elements (compared it itself), they show +1 oxidation state.
Similar for all halogens?
All halogens are highly reactive non-metallic elements with similar chemical properties. They form diatomic molecules in their elemental state (F2, Cl2, Br2, I2) and have a tendency to gain one electron to achieve a full valence shell, resulting in a -1 oxidation state in their compounds. They exhibit increasing molecular size and decreasing reactivity down the group.
What are facts about halogens?
Halogens are a group of elements in the periodic table that includes fluorine, chlorine, bromine, iodine, and astatine. They are highly reactive nonmetals, with seven electrons in their outer shell. Halogens are used in a variety of applications, from disinfectants and bleaches to pharmaceuticals and electronics.
What is the state of halogens?
Halogens are elements found in Group 17 of the periodic table, including fluorine, chlorine, bromine, iodine, and astatine. They exist in various physical states at room temperature: fluorine and chlorine are gases, bromine is a liquid, and iodine and astatine are solids. Halogens are highly reactive elements and readily form salts with metals.
