Physics

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A neutral atom always contains a. the same number of protons as it does neutrons. b. the same ... Started by Kthamas	3 Replies 74 Views	Jul 27, 2018 by patma1981
____ is a set of rules that describes how atoms and subatomic particles behave. a. Kirchhoff's ... Started by audragclark	1 Replies 39 Views	Jul 27, 2018 by Sarahjh
The temperature of an object from which no heat energy can be extracted is a. 0 F. b. 0 C. c. 0 ... Started by londonang	1 Replies 32 Views	Jul 27, 2018 by ally
Atoms that have the same number of protons but a different number of neutrons are called a. ions. ... Started by soccerdreamer_17	1 Replies 85 Views	Jul 27, 2018 by honnalora
If you move an electron in an atom from a low energy level to a higher energy level within the atom, ... Started by dollx	3 Replies 101 Views	Jul 27, 2018 by Dominic
The Sun has a surface temperature of approximately 5800 K. At what wavelength does the maximum ... Started by james9437	1 Replies 49 Views	Jul 27, 2018 by IRincones
One star has a temperature of 30,000 K and another star has a temperature of 6,000 K. Compared to ... Started by jerry coleman	1 Replies 46 Views	Jul 27, 2018 by bubulittle310@msn.cn
One star has a temperature of 10,000 K and another star has a temperature of 5,000 K. Compared to ... Started by 2125004343	1 Replies 34 Views	Jul 27, 2018 by gabrielle_lawrence
The H line has a wavelength of 410.2 nm when observed in the laboratory. If the H line appears in a ... Started by CBme	3 Replies 68 Views	Jul 27, 2018 by Eazy416
The H line has a wavelength of 434.0 nm when observed in the laboratory. If the H line appears in a ... Started by ENagel	1 Replies 120 Views	Jul 27, 2018 by coyin
Which of the following cannot be determined from the spectrum of a star? a. chemical composition ... Started by theo	1 Replies 31 Views	Jul 27, 2018 by bob
What is the order of star colors with increasing temperature? a. red, yellow, blue b. blue, red, ... Started by Jipu 123	1 Replies 61 Views	Jul 27, 2018 by chem1s3
The bluer the light, the ____ each photon contains. a. more energy b. less energy c. less speed ... Started by mynx	3 Replies 62 Views	Jul 27, 2018 by shayla
Each element has its own set of characteristic absorption lines because a. the temperature of ... Started by saliriagwu	1 Replies 34 Views	Jul 27, 2018 by dpost18
The Doppler effect states that the motion of any object can a. shift the wavelength of spectral ... Started by RRMR	1 Replies 40 Views	Jul 27, 2018 by snackralk
The radiation emitted from a star has a maximum intensity at a wavelength of 500 nm. What is the ... Started by Jramos095	1 Replies 24 Views	Jul 27, 2018 by shewald78
At what wavelength would a star radiate the greatest amount of energy if the star has a surface ... Started by frankwu	3 Replies 60 Views	Jul 27, 2018 by raili21
The neutral carbon atom consists of a. one proton and one neutron. b. six protons. c. one ... Started by kwoodring	1 Replies 84 Views	Jul 27, 2018 by Laurenleakan
The most massive part of the atom is(are) the ____ which has(have) a ____ charge. a. electrons; ... Started by Hungry!	1 Replies 73 Views	Jul 27, 2018 by pami445
The nucleus is made of ____ a. electrons only. b. protons only. c. neutrons only. d. electrons ... Started by ericka1	1 Replies 56 Views	Jul 27, 2018 by dpost18
The number of ____ in the nucleus determines what element the nucleus is. a. protons b. ... Started by james9437	3 Replies 46 Views	Jul 27, 2018 by pangili4
An atom can be ionized by ____ it. a. removing electrons from b. adding an electron to c. ... Started by littleanan	1 Replies 43 Views	Jul 27, 2018 by jackie
The process of making an electron less tightly bound to an atom's nucleus is known as a. ... Started by torybrooks	1 Replies 163 Views	Jul 27, 2018 by nekcihc358
If continuous spectrum light from a star passes through a cool, low-density gas on its way to your ... Started by tuffie	1 Replies 47 Views	Jul 27, 2018 by jennafosdick
Suppose the laboratory wavelength of a spectral line is 600 nm. In a star it is measured to be 599.4 ... Started by tfester	3 Replies 50 Views	Jul 27, 2018 by Silverbeard98