Answer:

Explanation:
Percent ratio is the ratio of the actual yield to the theoretical yield. The formula is below.

The reaction of sodium and chlorine should theoretically yield 12.5 grams, but the actual yield was 13.0 grams.
- actual yield= 13.0 g
- theoretical yield = 12.5 g
Substitute these values into the formula.

Divide.

Multiply.

For this reaction, the percent yield is 104%
Answer: the metal ions or smaller then the neutral
Explanation:
Answer:
The US surgeon general's 1964 report declared that smoking cigarettes was linked to cancer .
The average global temperature of the Earth has increased by almost two degrees in the last century.
Explanation:
Science and pseudoscience differs in terms of scientific methods involved in any study. Science deals with the practices and beliefs that undergo a method of scientific study. Pseudoscience is the term associated with the ideas and beliefs that tend to be scientific in nature but they fail in their execution of following the scientific methods.
From the given options, two of them are the examples of science and not pseudoscience.
What are the answer provided