What volume of a 2.5 m naoh solution is required to make 1 liter of a 0.75 m naoh?

1. a)c-14 has two more protons

2. d)they have different numbers of protons, neutrons, and valence electrons; they are all gases at room temperature.

3. c) iron and nickel.

you need to have a picture of the atom that way we can answer it

level 4 to level 2 : ))