<span>The atoms of a chemical element can exist in different types. These are calledisotopes. They have the same number of protons (and electrons), but different numbers of neutrons.</span>
Answer:
Intensity
Explanation:
The correct answer is -Intensity
Reason -
Intensity has no affect on whether or not the photoelectric effect occurs.
As frequency , wavelength are inversely proportional.
This temperature is equivalent to 98.6 degrees Fahrenheit
Group 1 of the periodic table consists of hydrogen and the alkali metals. ...
Group 2 consists of the alkaline Earth metals. ...
Groups 3–12 contain transition metals. ...
Groups 13–16 each contain at least one metalloid. ...
Group 17 contains halogens. ...
Group 18 consists of noble gases.
