Witch of the following is true about chalk a. it is an element because it contains only one type of atom b. it is an element because it has no overall positive or negative charge c. it is an element because it is pure d. it is not an element because it contains more than one type of atom (100 ! )

Here’s one way to follow the scientific method. place the missing steps in the correct position in the process

Me i dont know what to do! the table compares the number of electrons in two unknown neutral atoms. comparison of electrons atom number of electrons a 10 d 11 use this information to determine the number of valence electrons in the atoms. which of the following correctly compares the stability of the two atoms? both are unreactive. both are highly reactive. a is unreactive and d is reactive. a is reactive and d is unreactive.

What woukd most likely be the transmittance at a 0.70 m solution of solute a? a) 7.6%b) 1.1%c)4.0%d)4.6%