Which of these elements have the same number of valence electrons? aH, Ne, Ar, Kr bNa, Al, Si, S cBe, Mg, Ca, Sr dB, Si, As, Te

Select the correct answer. which statement is true about a polarized object? o a. it gains electrons and becomes negatively charged. ob. it gains protons and becomes positively charged. oc. the number of positive and negative charges can be the same. od. it has to be a metal. o e. there is no change in the distribution of the charge in the object. reset next what

What is the mass of each element in a 324.8 sample of co2

Match the name of the following compound:   mgso4  · h2omagnesium sulfate monohydratemagnesium (ii) sulfate monohydratemagnesium (ii) sulfate hydratemagnesium sulfate hydrate