Explain why the bright spectral lines of light emitted from the atoms of an element are unique to that element

How does the brightness of a bulb tell you about the energy of electrons passing through it?

What voltage is needed to cause a 2A current flow through a 102 resistor?

Assignment 10 Coulombic Equation Practice Directions: Complete the following problems to calculate the electrostatic force that is present in each situation. You will need to be sure to correctly substitute each of the variables in the equation.

In a fluorescent tube of diameter 4.8 cm, 2.7 * 1018 electrons (with a charge of - e) and 2.4 * 1018 positive ions (with a charge of + e) flow in opposite directions through a cross-sectional each second.

What is the mass of a 196 n block

Why can't cells get any glucose directly from the small intestine?

Oxygen makes up the largest part of living cells at 65%. What is the percentage of the second-most abundant element in living cells?

Shivering to warm up illustrates which characteristic of life? A. adaptation to environment B. homeostasis C. getting energy D. growth

Dante pours hot tea into a mug that is cool to the touch. Which best explains what will happen now?

What type of resource can be regenerated or replenished by biochemicl cycles