单选题: All atoms of a given element have the same ___. 选项: A. number of electrons and neutrons B. mass C. density D. number of protons E. number of neutrons 相关知识点: 试题来源: 解析 [number of protons] 反馈 收藏
百度试题 结果1 题目必答All atoms of a given element have the same_. A. mass B. number of protons C. number of neutrons D. number of electrons and neutrons E. 相关知识点: 试题来源: 解析 B 反馈 收藏
Atoms and Their Atomic Numbers All atoms have different numbers of protons, neutrons, and electrons. The protons are positively charged and are in the nucleus. Neutrons are also in the nucleus. But they have no charge. And electrons orbit the nucleus. They have negative charges. The number ...
the element. Each oxygen atom has eight protons in its nucleus, while each aluminum has thirteen. We call these substances elements because all their atoms are of the same type;they all have the same number of protons in the nucleus. The element is made up of chemical units which have ...
Assumes that all atoms have the same type of orbitals that the Hydrogen atom does As Protons are added to the nucleus to build up the elements, similarly electrons are added to the hydrogen like orbitals Electron configuration is how the electrons are distributed among the various...
atom, and this number determines or decides the nature of the element. Each oxygen atom has eight protons in its nucleus, while each aluminum has thirteen. We call these substances elements because all their atoms are of the same type;they all have the same number of protons in the nucleus...
21 All elements are made of atoms.Atoms are made of subatomic particles.(a)(i) Complete the labels on the diagram of an atom.X Nucleus containing XX...and...[2](ii) Atoms have no overall charge.Explain why.Use ideas about subatomic particles in your answer.[1](b)Look at the inform...
a贵重物品不要在网上购买 The valuables do not have to purchase on-line[translate] a我的生日是周一 My birthday is Monday[translate] a流动性大 The fluidity is big[translate] aProtons and electrons are parts of atoms that make up all things in our world 氢核和电子是在我们的世界组成所有事原子...
all atoms of this element contain 36 protons. this element contains 196.97 protons and neutrons. this is the most reactive of all elements. what do elements in the same column have in common?all atoms of this element contain 38 protons. this element contains 227 protons and neutrons.elements ...
Which statement of elements is NOT correct? A) An element is a substance whose atoms all have the same atomic number. B) The atoms ofan element all contain the same number ofprotons C) The atoms ofan element all contain the same numbers of neutrons D) An element is a substance that ...