问一题关于化学mole的问题1.(a) If 1mole of ozone(O3) contains x atoms,how many atoms will 1mole of oxygen(O2) cotain?(b) If 8g of nitrogen(N2) cotain y molecules,how many molecules are present in 8g of sulphur dioxide?答题者请附上答案和解释 答案 1 如果1molO3 中含有个氧原子,则...
Though the exact number of H atoms involved in passivation may depend on the conditions of the H treatment and the host matrixes, it is generally found that more than three H atoms are required to bind to a N atom to achieve full passivation for both alloys. 展开 ...
Radioactive. Some atoms have too many neutrons in the nucleus, which makes them unstable. ... Ions. ... Antimatter. Are humans made of atoms? About 99 percent of your body is made upof atoms of hydrogen, carbon, nitrogen and oxygen. You also contain much smaller amounts of the other ...
For many years, scientists couldn’t figure out how atoms and molecules combined to make living things. Plants, fish, dinosaurs, and people are made of atoms and molecules, but they are put together in a more complicated way than the molecules in the primitive ocean. What’s more, living ...
How many S−S bonds are present in S8 molecule ? View Solution How many -Cl atoms are present per molecule of sucralose? View Solution How many lone pairs are present in nitrogen molecule ? View Solution How many lone pairs are present in OF2 molecule ? View Solution How many - COOH...
Chemical formulas describe the type and number of atoms within a compound. The molecular formula lists the symbol of each element within the compound followed by a number (usually in subscript). The letter and number indicate how many of each type of ele
How many ATP are required to fix 10 atoms of nitrogen ? View Solution Doubtnut is No.1 Study App and Learning App with Instant Video Solutions for NCERT Class 6, Class 7, Class 8, Class 9, Class 10, Class 11 and Class 12, IIT JEE prep, NEET preparation and CBSE, UP Board, Bihar...
Many years later.62. Scientists figured out that human bodies are basically made of .A.amino acidsB.moleculesC. hydrogen, carbon, nitrogen and oxygen atomsD. water vapor, ammonia, carbon dioxide, methane and hydrogen63. Harold Urey and Stanley L.Miller did their experiment in order to . A...
How many unpaired electrons and occupied p orbitals are in _{50}Sn in the ground state? Write the condensed electron configurations for the following atoms and indicate how many unpaired electrons each has: (a) Mg, (b) Br, (c) Cu, (d) Cd, (...
How many atoms are in the molecule nitrogen trichloride NCl3 )? There are3 chlorine atoms and one nitrogen atomin NCl3. Nitrogen trichloride (NCl3) lewis structure contains three N-Cl bonds. There are one lone pair on nitrogen atom and three lone pairs on each chlorine atom. ...