este X đơn chức có tỉ khối với H2 là 44. cho m gam X tác dụng với NaOH vừa đủ thu được 8,2g muối và 4,6g ancol. Tìm m

No. an alpha particle is a pair of protons and a pair of neutrons, i.e. a helium

True or false:   the purpose of a defense mechanism is to get uncomfortable feelings out into the open so they can be dealt with in a healthy manner.indeed true: )

The answer to the question: choose the correct statement.  a) when ethane reacts with fluorine gas the product is less stable.b) addition reactions of unsaturated hydrocarbons and halogens requires a high activation energy.  c)the double covalent bond within unsaturated hydrocarbons requires a lot of energy to break.  d)the double covalent bond within unsaturated hydrocarbons can be broken easily.is: a) when ethane reacts with fluorine gas the product is less stable.