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
Which combination of protons, neutrons, and electrons is correct for the isotope copper-63, ? 选项: A. 29 p+ , 29 n°, 63 e− B. 34 p+ , 29 n°, 34 e− C. 34 p+ , 34 n°, 29 e− D. 29 p+ , 34 n°, 29 e− E. 63 p+ , 29 n°, 63 e− 相关知识点...
5 An atom Y has 17 protons and 18 neutrons.Which of the symbols represent the atom for Y element?Satu atom Y mempunyai 17 proton dan 18 neutron.Antara berikut yang manakah merupakan symbol mewakili atom bagi unsur Y? C1817A YB YT1835C D35Y Y1718 相关知识点: 试题来源: 解析 C ...
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...
题目5 Which statements comparing the properties of electrons, neutrons and protons are correct?B neutrons and protons are only electrons and both heavier than electrons neutrons are charged AB CD X 相关知识点: 试题来源: 解析 B 反馈 收藏
What charge would an ion that has 11 protons, 11 neutrons, and 10 electrons would have? Why can't oxygen form a triple bond? Why do some compounds have the same cations and anions while other compounds have different cations and anions?
Which element has the same number of valence electrons as phosphorus? Which element will most likely gain electrons? a. Cl b. Na c. Ne Why? What is an atom that has more protons than electrons? What element has 10 electrons? What element has 13 electrons?
a有 但是 是坏的 But has is bad[translate] a也就是说铁元素原子核中的中子与质子要比其它所有元素原子核中的中子与质子靠近得更紧密,其中子与质子间的强相互作用力也最大,因而当其向同一个方向排列时,其也具有最大的磁场。 In other words, in the hard element atomic nucleus neutron and the proton ...
aIndividuals receiving bilateral training showed a reduction in movement time of the impaired limb and increased upper limb functional ability compared to individuals receiving unilateral training. 接受双边训练的个体显示了对被削弱的肢体的运动时间的减少并且增加了上部肢体功能能力与接受单边的训练的个体比较。[...
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 ...