X is an element of modern periodic table. It is surrounded by elements having atomic number 17, 34,3 6 and 53. (i) what is the atomic number of X? (ii) Predict its position in the modern periodic table (iii) Which among these do not belong to the same period?​

*will mark you brainliest + 15 points ** why does the equilibrium of a system shift when the pressure is increased? a. to maximize the stress on the system b. to stop restoring equilibrium to the system c. to increase the total moles of gas in the system d. to decrease the total moles of gas in the system

The number of moles of a given mass of a substance can be found without knowing its molecular formula or molar mass. true false

Match the formula for the following compound:   magnesium sulfate heptahydratemgs·7h2omg2so4·7h2omg(so4)2·7h2omgso4·7h2o