When does an element become a different element?

A. when radiation is emitted

B. only in the number of protons in the nucleus changes

C. only when the number of electrons in the outer shell changes

D. when number of neutrons in the nucleus decrease

A capacitor is connected to a 9 V battery and acquires a charge Q. What is the charge on the capacitor if it is connected instead to an 18 V battery? A capacitor is connected to a 9 V battery and acquires a charge Q.

Which is an internal influence on physical activity? A) family B) cultural C) backgroundlifestyle D) media Once you write down your physical activity goal, what is the second step? A) Develop an action plan. B) Establish a support structure.

A student has a thin copper beaker containing 100 g of a pure metal in the solid state. The metal is at 215°C, its exact melting temperature.

The storage area of a cell is called

A particle's velocity is described by the function vx=kt2m/s, where vx is in m/s, t is in s, and k is a constant. The particle's position at t0=0s is x0 = - 8.10 m. At t1 = 2.00 s, the particle is at x1 = 8.00 m.

Reimbursement means that a client is A. able to apply for healthcare insurance and refunded for a partial sum of the payment plan by the state. B.

Meg runs a 10km race in 45 minutes (0.75 hours). What was her speed in kilometers per hour? a. 22 km/hr b. 7.5 km/hr c. 4.5 km/hr d. 13 km/hr

If you are an astronaut slowly drifting away from the space station, you might be able to drift back to the station by throwing a 555-kg tool rapidly in the direction that you are traveling (away from the station) A. False B. True C. Don't ask me D.

The loss of an electron from a neutral helium atom results in

What happens during the intake and compression strokes of a four stroke engine?