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Less than one ounce of astatine exists on Earth. It was discovered by D.R. Corson, K.R. MacKenzie and E. Segre in 1940.

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If nothing is as effective as stating the obvious but with less than one ounce of this halogen existing on Earth what is this element?

The element with less than one ounce existing on Earth is astatine. It is a rare halogen element and is primarily produced through artificial means due to its scarcity in nature.


Nothing is as effective as stating the obvious but with less than one ounce of this helogen existing on the earth?

Francium. Oh, and you spell it Halogen :)


What element has less than one halogen existing on the earth?

Any element, other than a halogen is - by definition - not a halogen and so it does not have a halogen and that is less than one halogen.


What is a halogen gas with the mass less than 15?

The halogen gas with a mass less than 15 is fluorine (F). It has an atomic mass of approximately 19.00 u, but if considering only the halogen gases, it is the lightest halogen. Fluorine is a pale yellow gas at room temperature and is highly reactive, particularly with alkali and alkaline earth metals.


What is less a cup or an ounce?

an ounce is less and a cup is more!


Which halogen naturally exists in positive oxidation no?

Fluorine is the only halogen that does not naturally exist in any positive oxidation state. The other halogens - chlorine, bromine, iodine, and astatine - can exist in various positive oxidation states, though they are less common in nature compared to their negative oxidation states.


Is an ounce less than a gram?

1 gram is 0.035274 ounce. yes Yes a gram is less than an ounce. There are 28 grams in an ounce.


.7517 ounce of silver is how much less than a full ounce?

It is 0.2483 oz less than one ounce.


Is a gram less then an ounce?

1 gram = 0.0352739619 ounces This holds true on Earth. On the moon 1 gram = .00587 ounces. On Jupiter 1 gram = about .082 ounces. Overall a gram is a great deal less than one ounce.


Is a ounce less than a gram?

no. one ounce is bigger than a gram (1 ounce = 28 ounce)


Is a fluid ounce less than a millilitre?

No, a fluid ounce is more


Do less reactive halogens displace more reactive ones?

No. More reactive halogens will replace less reactive ones in a compound. This is because a more reactive halogen is more stable in a compound relative to a less reactive one, while a less reactive halogen is relatively more stable in its elemental form.