A sample of i-131 decays from 12 microcuries to 3.0 microcuries in 16 days. what is the half-life of i-131?

Which statement best describes control rods? They are unmovable pieces. They are inert. They supply neutrons to start the nuclear chain reaction. They drive the generator

Positive and negative charges are attracted to one another. Which of the following are attracted to a negative charge: an electron, a proton, a neutron, a nucelus, an atom? Explain your thinking.

Round 0.0952 km to 2 significant figures km 0.095 0.09 0.1

Calculate the pH of a 0.60 M solution of NH3

What is the electron configuration for aluminum

Describe the energy transformation that occurs in a clock

Electronegativity tends to tends to increase from left to right across a row., becasue

Which formula equation shows a reversible reaction? 2 upper N a plus upper F subscript 2 right arrow 2 upper N a upper F. Upper C a upper C upper O subscript 3 right arrow upper C a upper O plus upper C upper O subscript 2.

Sprite: When mixed with red cabbage water, resulting solution turned red. Watermelon juice: When mixed with red cabbage water, resulting solution turned pink/purple. Egg whites: When mixed with red cabbage water, resulting solution turned green.

Uranium - 235 is used in nuclear fission. determine the number of protons and neutrons in uranium - 235