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Which of the following statements about subatomic particles is TRUE? A) A neutral atom contains the same number of protons and electrons. B) Protons have about the same mass as electrons. C) Electrons make up most of the mass of an atom. D) Protons and neutrons have opposite but equal in magnitude, charges. E) Neutrons and electrons are found in the nucleus of an atom

On the electromagnetic spectrum, visible light is immediately between two other wavelengths. Name them. A) infrared and x-ray B) radio and microwave C) gamma-ray and ultraviolet D) microwave and x-ray E) infrared and ultraviolet

Calculate the mass (in mg) of 4.82 × 1022 atoms of sodium. A) 3.48 mg B) 287 × 103mg C) 287 mg D) 1.84 × 103mg E) 1.84 mg

When waves of equal amplitude from two sources are out of phase when they interact, it is called A) destructive interference. B) diffraction. C) constructive interference. D) effusion. E) amplitude

Place the following in order of increasing radius.             Br⁻             Na⁺            Rb⁺ A) Br⁻ < Rb⁺ < Na⁺ B) Na⁺ < Rb⁺ < Br⁻ C) Rb⁺ < Br⁻ < Na⁺ D) Br⁻ < Na⁺ < Rb⁺ E) Rb⁺ < Na⁺ < Br⁻

Predict the charge that a Ga (Gallium) ion would have. A) 5- B) 1+ C) 1- D) 2+ E) 3+

Which of the following is NOT a method used here to operate a heating device?

What is wrong with the security of the door on this enclosure?  Please be specific. 

Young 10 year old Horatio fell from the treehouse and fractured his humerus injuring his proximal growth plate.  What region of the bone is superior to his growth plate that was injured?

Name the most likely disease that typically affects males and causes hearing loss, lower back pain and bowing of the knees.