Time to put on your scientist’s hat and draw a conclusion based upon data in the Lattice Energy table. Compare the strength of the bonds in potassium bromide with the strength of the bonds in potassium oxide. State in terms of lattice energy which is stronger, and propose a sound explanation for this difference.

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d.) gravity pulled particles of dust and gas together to form planets.

10 years is the answer

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.