Answer: 5.84x10^4
Explanation: You start with (9.00x10^26 atoms)x(1 mol/ 6.022x10^23)x(39.10 g/1 mol)
I believe this nuclide is potassium with the symbol K. Atomic number for an element remains constant no matter how the mass changes. From the periodic table, potassium has an atomic number of 19.
Answer:
The area of the block is 150 cm
Explanation:
Answers:
25. Earth's galaxy
26. The asteroid belt
27. Copernicus
28. Ptolemy
if this helped brainliest
False. gases have to greatest freedom of motion