Question

Examine the false statement. Scientists can directly observe the half-life of all radioactive elements. What option rewords the statement so that it is true? Select all that apply. Scientists can calculate the rate of nuclear decay for all radioactive elements using half-life. Scientists can calculate the half-life of all radioactive elements using the rate of nuclear decay. Scientists cannot directly observe or calculate the rate of nuclear decay for all radioactive elements. Scientists can directly observe the rate of nuclear decay for all radioactive elements.

Answer 1

Answer:

Scientists can directly observe the rate of nuclear decay for all radioactive elements.

Scientists can calculate the half-life of all radioactive elements using the rate of nuclear decay

Explanation:

I just took a test and got it right

Answer 2

Scientists can directly observe the rate of nuclear decay for all radioactive elements.

Scientists can calculate the half-life of all radioactive elements using the rate of nuclear decay

Explanation:

The true statements from the given options is that "scientists can directly observe the rate of nuclear decay for all radioactive elements" and "scientists can calculate the half-life of all radioactive elements using the rate of nuclear decay".

Let us carefully examine the original statement:

Scientists can directly observe the half-life of all radioactive elements

The keywords from here are:

       directly observe

        half-life

       radioactive elements

to directly observe implies that evaluative information about the half-life is being gathered. In making observations, calculations can be made to make deductions.

half-life is the time taken for half of radioactive nuclei to disintegrate.

Radioactive elements  are unstable nuclei that will naturally decay on their own into other nuclei.

It is correct to say that scientist can directly observe the rate of nuclear decay for all radioactive element. The half-life is one of the ways of measuring the rate of decay.

Scientists can calculate the half-life of all radioactive elements using the rate of nuclear decay also.

Learn more:

Half-life brainly.com/question/1695370

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