The density is one gram per mL, so 1.
Answer:
One billion
Explanation:
A nanometer is a BILLIONTH of a meter which means it takes one billion to equal a meter
Answer: The frequency of this light is
Explanation:
To calculate the wavelength of light, we use the equation:
where,
= wavelength of the light =
c = speed of light =
= frequency of light = ?
The frequency of this light is
For it to be the same element it must contain the same number of protons