3. What makes diamond so hard? a) diamond has a crystal structure similar to ice b) diamond is made up of only carbon atoms c) the C-C bonds all have different bond lengths d) a rigid network of atoms that cannot move 4. Which statement best describes why graphite is soft?
aAquophilic molecule is insoluble in water. Aquophilic分子是不能溶解的在水中。 [translate] a适合自己身份的衣服 Suits oneself status clothes [translate] aDIAMOND MACHINED 用机器制造的金刚石 [translate] a在仲夏的一个早晨 In a midsummer morning [translate] atriethanolamine,tocopherylacrtate 三乙醇胺,...
aThe roughened surfaces are diamond plate surfaces. A skirt is affixed to the back plate and extends outwardly therefrom so as to be adjacent an outer edge of the rocker plate. The rocker plate is a concave member. The concave member includes a shaft which is rotatably connected to the back...
and ive got a strong and ive watched love and iceland and idea is around th and if a god will lay and if anything and if he poor and ca and if i choose the o and if i find my hard and if it stays and if one sentence i and if that diamond r and if the night runs and if...
It is the simplest alkane with a tertiary carbon atom. Isobutane is used as a precursor molecule in the petrochemical industry, for example in the synthesis of isooctane. Product Parameters Specification Company Standard I-C4H10 ≥ 99.5% Non-condensable gas ≤ 0.5% Moisture ≤ 0.0...
2.What is the shape of the CS2 molecule?a) Linear b) Tetrahedral c) Bent d) Trigonal Pyramidal3.What type of attraction exists between CS2 molecules?a) H-bonds b) Dispersion c) Dipole-Dipole d) Ionic4.What compound would have the highest melting point?a) diamond b) sodium iodide c)...
Isobutane is a colorless, odorless gas. It is the simplest alkane with a tertiary carbon atom. Isobutane is used as a precursor molecule in the petrochemical industry, for example in the synthesis of isooctane. Product Parameters Specification Company Standard I-C4H10 ≥ 99...
Deduce the molecular formul a of this compound.SiO2C1H12...[1](e)Draw a 'dot-and-cross' diagram for a silicon(IV) chloride molecule, SiCI4.Only include the outer shell electrons.pair of shared electrons between each of the 4 C'7 atoms and central Si AND 6non-bonding electrons around...
C. a diamond D. a cone 查看完整题目与答案 Which of the following processes is apoptosis() A. Skin burns caused by high temperature B. Cell death caused by toxicosis C. Formation of finger (toe) space in human embryo D. Damage caused by strong acid and alkali E....
Chemisorption by covalent binding via a linker molecule is based on the binding of probe molecules on to the SiNW surface by covalent bonds. Since oxide can grow naturally on a SiNW surface, a number of methods have relied on the functionalization of the oxide layer using silane chemistry.10...