2.(Atomic Physics) of, using, or characterized by atomic bombs or atomic energy:atomic warfare. 3.(Atomic Physics) of, related to, or comprising atoms:atomic hydrogen. 4.extremely small; minute 5.(Logic)logic(of a sentence, formula, etc) having no internal structure at the appropriate leve...
The graph shows a decrease in atomic radii of period 3 elements across the period. ·Across the period,the atomic radii decrease .This is because the number of protons (the nuclear charge) and the number of electrons increases by one every time you go an element to the right. .The elemen...
effective size of atomsGOLDSCHMIDT, PAULING, AHRENS, SHANNON ionic radiiSummary This chapter contains sections titled: Van der Waals Radii Atomic Radii in Metals Covalent Radii Ionic Radii Problemsdoi:10.1002/9780470057278.ch6Müller, UlrichJohn Wiley & Sons, Ltd...
What is the average mass of a single silicon atom in grams? What is the definition of atomic size in chemistry? An atom has 20 electrons and 20 neutrons. What is the mass of this atom? What is an atom? How many hydrogen atoms would have the same mass as one calci...
Protons:Protonsare the basis of atoms. While an atom can gain or lose neutrons and electrons, its identity is tied to the number of protons. The symbol for proton number is the capital letter Z. Neutrons: The number ofneutronsin an atom is indicated by the letter N. The atomic mass of...
解析 首先句子后面是作定语的,由主句可以知道,修饰的是主语element.因为atoms是原子的意思,对于元素来说,逻辑关系自然是“元素里的原子”,所以element和atoms具有从属关系,用whose(注意啦!在定语从句表示从属关系的时候,关系词whose不仅仅适用于人,也可以适用于物)...
In Bohr’s model, if the electron moves from one orbit to another closer to the atomic nucleus, it must give up some energy in the form of electromagnetic radiation. If the electron goes from an inner orbit to one farther from the nucleus, however, it requires some additional energy. One...
The number of protons in an atom is unique to each element. For example, carbon atoms have six protons, hydrogen atoms have one and oxygen atoms have eight. The number of protons in an atom is referred to as the atomic number of that element. The number of protons also determines the ...
Well, the atoms hit harder because they are moving faster, and in addition they hit more often, so the pressure increases. You see how simple the ideas of atomic theory are. Let us consider another situation. Suppose that the piston moves inward, so that the atoms are slowly compressed int...
12. Explanation for the mechanism of how a huge amount of energy is being pre-stored in the nucleus of atoms Why is there so much energy stored in the atomic nucleus? Different mechanisms of elemental origin give us different answers. The classical explanations offered three major mechanisms of...