Frequency.
The equation to find the velocity of a wave length is:
v=fλ
V stands for velocity
F stands for frequency
λ stands for wavelength
Answer:
11 protons
Explanation:
Sodium (Na)'s atomic number or proton number is 11, which means it contains 11 protons
Answer:
the number of protons is called the atomic number
hope it helps you buddy
Answer: matter and its interaction with energy. Matter has mass and occupies space. A Substance is matter that cannot be separated into other kinds of matter by physical means.
Explanation: