94 electrons. protons and electrons are always the same, but neutrons are different.
A unit for measuring frequency, equal to one cycle per second. If a sound wave has a frequency of 20,000 Hz, this means that 20,000 waves are passing through a given point during the interval of one second.
A magnet has two poles that is called north and sound the only information I can give
Answer:
0.5A
Explanation:
Using
,
R is the resistance (in Ohms)
V is the voltage (in V)
I is the current (in A)

I = 0.5A
D. between radio waves and microwaves