以下例句中关于 element的正确释义为: A molecule of an element consists of one or more atoms.A.单质B.元素C.要素的答案是什么.用刷刷题APP,拍照搜索答疑.刷刷题(shuashuati.com)是专业的大学职业搜题找答案,刷题练习的工具.一键将文档转化为在线题库手机刷题,以提高学习
and neutrons (hydrogen has 0). An element can has different kinds of atom. In fact they have same no.s of electrons and protons but different no.s of neutron to form a new chemical characteristic. It's called isotope of a element. A mass of an atom is measured by the no...
an atom (Greek ἄτομος or átomos meaning "indivisible") is the *** allest particle of a chemical element that retains its chemical properties. (átomos is usually trlated as "indivisible." Until the advent of quantum mechanics dividing a material object was invar...
The new material is linked by short chains of a type ofmoleculecalled ditopic. 这种新材料则由一种名叫“ditopic”的分子短链结构组成. 期刊摘选 Two atoms of hydrogen combine with one atom of oxygen to form amoleculeof water. 两个氢原子和一氧原子结合而成一个水分子. ...
Further reaction of 2~(·+)[Al(OR_F)_4]~- and 2 with trace amounts of silver salt resulted in dication 3~(2+), providing a rare example of structurally characterized bis(triarylamine) "bipolarons". 3~(2+) can be directly prepared by the reaction of 3 with 2 equiv of Ag~+. X...
A molecule is a group of two or more atoms joined by chemical bonds, whereas a compound is a substance formed by the chemical bonding of more than one type of element that exists in a fixed proportion.
using information about neighboring and distant amino acids. The ESM-1b model is trained to predict the masked amino acids. ESM-1b vectors are calculated by taking the element-wise mean of all representations in the last layer.bModified ESM-1b model. An additional representation for the whole...
DFT self–consistent calculations were deemed converged when every element of the Hamiltonian matrix and the density matrix were converged to less than 10–4a.u. The transmission spectra were calculated using the Green’s function methods. The gate voltage was considered by self-consistently solving ...
you get anauto-rotationtool,auto-optimizationtool,detach view,full-screen mode, andalign moleculesoption. It provides an advanced selection feature which lets youselect by element, residue, SMARTS pattern, solvent,etc. You can view molecule, atom, bond, angle, torsion, and conformer properties too...
Disclosed is a functional molecular element exhibiting its function under the operation of an electrical field. A compound is used in which a pendant molecule (3), formed by 4-pentyl-4'-cyanobiphenyl, exhibiting positive dielectric constant anisotropy or a dipole moment along the direction of the...