Which statement is not a prediction

Iron-59 has a half-life of 44 days. a radioactive sample has an activity of 0.64 mbq. what is the activity of the sample after 88 days?

According to the periodic table, carbon has an atomic mass of 12.011 u. This indicates that the most abundant isotope of carbon is carbon-11. carbon-12. carbon-13. carbon-14.

What is the correct name of the compound mn 3 (po 4) 2?

What is the difference between an open system and a closed system

Which of the following is not a source of air pollution related to human activities

When does a spring tide take place? At the beginning of spring Only during the spring season Only after spring is over At any time

The highest cloud are known as

What is the mass of 4.85 X 10^22 atoms of iron (Fe) ?

If element x has 95 protons how many electrons does it have

Which of the following when dissolved in deionized water would make a good conducting solution? a) methanolb) sugarc) baking soda