Atoms of I-131 spontaneously decay when the (1) stable nuclei emit alpha particles

(2) stable nuclei emit beta particles

(3) unstable nuclei emit alpha particles

(4) unstable nuclei emit beta particles

Magnesium reacts with hydrochloric acid to produce magnesium chloride and hydrogen gas the reactants in this reaction are

Acidic solutions contain high concentrations of a. hydrogen ions b. hydroxide ions c. water

3. Convert 145J to cal (34.65 cal)

Explain how convection is a cycle in nature

What is likely to happen if we can't control our experiment properly? A. Our hypothesis will have to be changed. B. We will need to do other experiments and collect more data. C. Our hypothesis will be well-supported by the data we collect. D.

Write the complete electron configuration for the noble gas found in the third period

Convert 0.023 kg to centigran

How many unpaired electrons arethere in Cu1 + ion

A 750 mL sample of nitrogen is heated from 30°C to 92 C at constant pressure. What is the final volume?

Write a brief explanation about why a plant extract is a mixture