Question: The number of protons in an atom is referred to as the: a. mass number b. atomic mass c. atomic number d. charge Proton: Proton is a subatomic particle that lives inside the nucleus of an atom. It is positively charged and has a ch...
A. the number of protons in an atom B. the number of neutrons in an atom C. the number of electrons in an atom D. the total number of particles in an atom 相关知识点: 试题来源: 解析 A。元素的原子序数告诉我们一个原子中的质子数。原子序数等于质子数,选项 B 中子数不能由原子序数确定...
The number of protons in an atom of any given element is always the same. Physicists call this the atomic number. So, in the above example of lead, its atomic number is 82 and that does not change; if it did, it would be a different element (thallium, atomic number 81, or bismuth...
百度试题 结果1 题目The total number of protons and neutrons in an atom is calledA.the atomic numberB.the proton numberC.the mass numberD.the neutron number 相关知识点: 试题来源: 解析 C 反馈 收藏
The number of protons in an atom equals the number of ___. Atoms: Atoms are comprised of three basic components. In the nucleus, there are protons (positive charge) and neutrons (no charge). These are where the vast majority of the weight is and will determine what type of atom this ...
FEMALE STUDENT: The number of protons in each atom of an element. MALE PROFESSOR: Right.Well, early versions of the periodic table had gaps. Missing elements.Every time you have one more proton you have another element,and then — oops — there'd be an atomic number for which there was...
百度试题 结果1 题目The nucleus of an atom is _ of swiftly moving protons(质子)and neutrons(中子)that are bound together by very strong forces. A. consisted B. contained C. composed D. compressed相关知识点: 试题来源: 解析 C 反馈 收藏 ...
The atomic number of an element is always equal to ANumber of neutrons in nucleus BHalf of the atomic weight CElectrical charge of the nucleus DWeight of the nucleusSubmit The total number of protons and neutrons present in the atom of an element is known as its mass number. It is repre...
Determining the charge of an atom is easy in most cases but not all. Atoms are held together by the electromagnetic forces between the protons in the nucleus and the electrons surrounding it, and this means that most of the time there isn't actually much to work out. ...
Atomic Particles Atoms are made of protons, neutrons and electrons 99.999999999999% of the atom is empty space Electrons have locations desc