6the elements in group 2 have similar chemical properties because each atom or these elements has the same
(1) atomic number
(2) mass number
(3) number of electron shells
(4) number of valence electrons

*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

Consider this initial-rate data at a certain temperature for the reaction described by

Which of the following would not diffuse through the plasma membrane by means of simple diffusion? 1 oxygen 2 glucose 3 a steroid hormone 4 a lipid soluble vitamin