Answer:
Correct answer is A.
Explanation:
Frequency is the number of oscillations that a wave have per unit time. Since time is measured in seconds, the wave with the highest frequency must register the highest number of oscillation per second. Hence, correct answer is A.
Answer:
it denotes 6.52× 10⁸ in scientific notation
Fe2O3 because O has a -2 charge and Fe and +3, you want the charges to equal each other so if you have 2 Fe with +3 charge the charge becomes 6 if you have 3 O with -2 charge the charge becomes 6.
Hey there!
Great question;)
Answer:It is neutrally charged, because it has the same number of electrons(negatively charged ions) and protons(positively charged ions)
I hope this helps;)
