What element has no stable isotopes? Who discovered the element carbon? Explore our homework questions and answers library Search Browse Browse by subject Ask a Homework Question Tutors available By submitting, I am agreeing to theTerms of UseandHonor Code.Already a member?Log in here...
According to the Periodic Table of Radioactivity, at this time the most radioactive element known to man is element number 118,Oganesson. The decay rates for the latest man-made elements are so fast that it's hard to quantify how quickly they break apart, but element 118 has theheaviestknow...
Keywords: stable isotopes, how it works; Frederick Soddy, Nobel Prize in Chemistry - origin and nature of isotopes (1921); Mass number and atomic number, denoted as whole numbers in superscript and subscript; Harold C. Urey, Nobel Prize in Chemistry - father of modern stable isotope chemistry...
Isotopes Variants of an element with differing neutron counts. Hydrogen has three isotopes: protium, deuterium, and tritium. 6 Isomers Influence on properties. The boiling point of isobutane is lower than that of butane due to structural differences. 6 Isotopes Identified by atomic mass. Uranium-23...
Technetium is the lowest-numbered element that has no stable isotopes.The dose from a 1-liter cube of the metal wouldn’t be enough to be lethal in our experiment, but it’s still substantial.If you spent all day wearing it as a hat-or breathed it in as dust—it could definitely kill...
When the stated mass number of an element is not a whole number that does not mean that there are parts of protons or neutrons present in the atom. It means that that mass number has been calculated to take into consideration the proportions of the different isotopes of that element believed...
If an element has two electrons in the first shell and seven in the second shell, the element is said to be what? A. Unstable B. Unreactive C. Stable D. Inert Which of these elements does not cycle through the air? a. nitrogen b. phosphorous c. carbon d. oxygen ...
are classified by the number of protons in the nucleus of the atom. However, there is no set rule for how many neutrons can be in the atom's nucleus. Because this number can vary, we classify the different, naturally occurring, variations of neutron quantities as isotopes of the element....
An isotope is a variant on an element that has a different atomic weight from other variants. Except for the commonest form of hydrogen— which has only a proton— every atomic nucleus in normal matter is made of both protons and neutrons. Isotopes of a given element have the same number...
Francium is a radioactive element that often forms as part of the decay chain for the element actinium. It is characterized by having 87 protons in its nucleus and no known stable isotopes. Answer and Explanation:1 At room temperature, francium is a solid, but it is not far from transition...