Because each element is distinctive of its atomic number, all atoms of a particular element must have the same number of proton. The atomic number of carbon is 6. Then all kinds of carbon atoms must have 6 protons in their nuclei. So these atoms...
15.Atoms of the same element that differ in their atomic weight are called isotopes. 具有不同原子量的同一种元素被称为同位素. 16.The radium isotopes are absorbed to an appreciable extent through the human and animal gut. 镭的同位素通过人和动物的肠子时有很大部分被吸收. 17.The interval is two...
When you remove or add a neutron to the nucleus of an atom, you don’t technically get a new element, but you do have a new type of the same element in your hand. This new type is called an “isotope” of the element. Isotopes are formally defined as elements with the same number...
How can you tell isotopes of the same element apart? Why do elements in the same group of the periodic table have similar properties? How do atoms of different elements differ? How are the three isotopes of hydrogen alike? Carbon has different isotopes. Wha...
Isotopes are variants of a particular chemical element which differ in neutron number, although all isotopes of a given element have the same number of protons in each atom. The term isotope is formed from the Greek roots isos (ἴσος "equal") and topos (τόπος"place"), mea...
Isotopes are atoms that have the same number of protons butdifferent numbers of neutrons. An ion is an atom or molecule with a positive or negative charge. Why do all isotopes have the same properties? Atoms of the same element that differ in their numbers of neutrons are called isotopes. ...
Most elements exist in two or more forms, known as isotopes. Isotopes have the same number of protons but differ in their number of neutrons, resulting in different masses. The lighter form is generally the more common one (Hobson & Wassenaar 2008). This variation in the relative abundance ...
Relative Abundance of the Radon Isotopes The amounts of radon isotopes in the environment depend primarily upon the concentrations of 238U, 235U, and 232Th (thorium-232) in the soil and rocks. Although these isotopes are radioactive, their half-lives are so long that the time since the forma...
Elements in nature come in forms called isotopes that differ only in the number of their neutrons. Most isotopes are stable and can be distinguished from their counterparts simply by their masses. Remarkably, isotopes are associated with a few simple and mass-dependent traits that result in a wi...
Isotopes of Elements- Isotopes refer to elements with nuclei having the same number of protons, but differing numbers of neutrons, so that the masses of contrasting isotopes differ by one to a few neutrons. To learn more about the Types, Examples, Physic