PLEASE HEL: Radioactive Decay Rate

Amount of Radioactive Sample

Part 1: What is the half-life of the element? Explain how you determined this.

Part 2: How long would it take 308 g of the sample to decay to 4.8125 grams? Show your work or explain your answer.

The clouds are grey and ground is wet. a quantitative b qualitative

What is the empirical formula of c6h18o3? ch3o c2h5o c2h6o c2h5o5

Which of the following statements about hybrid orbitals is or are true? choose all that apply. choose all that apply. under sp2 hybridization, the large lobes point to the vertices of an equilateral triangle. after an atom undergoes sp hybridization there is one unhybridized p orbital on the atom. the angle between the large lobes of sp3 hybrids is 109.5∘