11. Which of the following diagrams shows the correct paths travelled by the subatomic particles, proton (p), neutron (n)and electron (e)?A ebeam of+ve beam of+ve particles particles Pn e-ve P-ve nA Be beam of+ve beam of+ve particles particles PP nT-ve n(i-ve eC D 相关知识点...
Points (i), (ii) and (iii) are correct. According to Thomson's model of the atom, an atom consists of a sphere of positively charge with negatively charged electrons embedded in it. These negative and positive charges in an atom are equal in magnitude, d
View Solution Total number of ions pairs present on central atom of each of the molecules of XeF6,SF6,SF4 are. View Solution What is the correct mode of hybridization of the central atom in the following compounds. NO+2,SF4,PF−6 View Solution ...
For bonds between the following pairs of atoms, in which one would you expect the 2nd atom of the pair to gain electrons? a) C and N b) O and Cl c) Be and Na d) Cl and S Electronegativity: E...
22 Helium is a noble gas.Which statement is correct? A A A helium atom has eight electrons in its outer shell. B Helium exists as diatomic molecules. C Helium is used as an inert atmosphere in lamps. D There are no naturally occurring chemical compounds of helium. 相关知识点: 试题来...
a我认为,学校因该在学生不上课的时间时开放 I believed, because the school should in the time when which the student does not attend class opens[translate] a以正确,感性,有力量的设计打动人心 By correct, the perception, has the strength design to move the will of the people[translate] ...
In the Lewis structure for SF4, there are: a. 12 electrons surrounding the S b. 10 electrons surrounding the S c. a total of 42 valence electrons d. both a and c are correct e. none of the above are correct In the best Lewis structure for XeF4 , what is the formal ...
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Which subatomic particle has a relative mass of 1836 if the mass of an electron is 1? a. proton b. neutron c. electron Which of the following subatomic particles resides in the nucleus of an atom? a. protons and electrons b. protons and neutrons c. electrons ...
But in many cases, the answer is actually very clear: AMD's chips win for most users looking for the best balance of performance in both gaming and productivity at a more accessible price point. Additionally, AMD's lineup of specialized X3D CPUs wins for PCs focused on gaming.This ...