Which statement correctly describes the current in a circuit that is made up of any two resistors connected in series with a battery a. the current in the battery is less than the current in either resistor. b. the current in the battery equals the product of the currents in the resistors. c. the current in the battery equals the sum of the currents in the resistors. d. the current in the battery and in each resistor is the samattery?

Name three different units of energy used to measure heat and describe what type of situations each is usually used.

Hydrogen atoms are excited by a laser to the =4n=4 state and then allowed to emit. what is the maximum number of distinct emission spectral lines (lines of different wavelengths) that can be observed from this system? 8 6 2 7 4 5 1 3 calculate the wavelength of the 4⟶14⟶1 transition. =λ=

Match each vocabulary term to its definition. 1. electrons neutral subatomic particles found in the nucleus of the atom 2. neutron lowest energy position of an electron in an atom 3. photon the path of an electron around the nucleus of an atom 4. ground state negatively charged, subatomic particles 5. protons packet of energy of specific size 6. element substance with only one type of atom 7. orbital positively charged, subatomic particles found in the nucleus of the atom