If an atom contains 14 protons, it is an atom of which element? Which element has 32 protons in its nucleus? If an atom with a mass number of 202 has 122 neutrons, it is an atom of which element? What chemical element has 4 protons?
百度试题 结果1 题目10 An isotope of element Y has 19 protons and 20 neutrons in its nucleus. Which is the symbol for the ion of Y? B2039A YB19192039C YD1919 相关知识点: 试题来源: 解析 B 反馈 收藏
An atom consists of a nucleus, which contains protons and neutrons, surrounded by electrons. The number of protons determines the element of the atom, while the number of neutrons can vary. Electrons exist in energy levels or shells around the nucleus. 开学特惠 开通会员专享超值优惠 助力考试高...
- The element uranium having the atomic number Z = 92 have been irradiated with many slow neutrons and many new radioactive elements up to Z = 112 and earlier it has been named as ununbium but now its names have been discovered and is now as Copernicium (Cn)...
An atom is a neutral species that have the same number of protons and neutrons. When electrons are added or removed from an atom of an element, a charged species is formed known as ions. Answer and Explanation: Metals can lose electrons ...
The most striking of these non-classical phenomena is quantum entanglement (QE), which has been the most debated element of quantum mechanics ever since the theory was formulated about 100 years ago. QE (see e.g., [3]) is the phenomenon that two or more particles can exist in a shared...
To determine the radioactive isotope in each pair, we need to analyze the isotopes based on their neutron count. Isotopes are variants of the same chemical element that have the same number of protons but different numbers of neutrons. Generally, isot
Which element has the same number of valence electrons as phosphorus? In which species does sulfur have an oxidation number of zero? How many unpaired electrons does sulfur have? What is the oxidation state of an individual sulfur atom in so32-? What is the electronegativity of sulfur? What ...
If carbon has an atomic number of 6, and a mass number of 14, how many neutrons are in the atom?Which of the following facts allows you to determine that atom A and atom B are isotopes of the same element? a) They each have 6 protons. b) They each have 4 ...