Chromium-48 has a short half-life of 21.6 h. How long will it take 360,00 g of chromium-48 to decay to 11.25 g?

What was bohr’s contribution to the planetary model

Light waves can move through , but they travel fastest when they move through a(n) .

What happens to the concentration of hydronium ions as the ph of a solution increases? a. hydronium ion concentration stays the same b. hydronium ion concentration decreases c. hydronium ion concentration increases