if we model the sodium and chlorine ions as point charges separated by 0.28 nm, the spacing in the crystal, what is the magnitude of the attractive force between two adjacent ions?

How many questions do they give on the sat

We the people of the united states, in order to form a more perfect union, establish justice, insure domestic tranquility, provide for the common defence, promote the general welfare, and secure the blessings of liberty to ourselves and our posterity, do ordain and establish this constitution for the united states of america. according to the preamble which action represents an appropriate role for government

Time's up got my coins up, my bars up, soon we find 'em we gon' slide 'em, we lined 'em, straight reclined 'em pistol grip, i got all kinds of, i'm not your driver shot gon' hit him, he won't answer, i'm blowin’ ganja so much work, they call me old school, i remind ya that bisshhh you think you got is not you, where you find her? she a kickstand, a big fan, i get behind her then i slid it in, i win, i win, ayy