subject
Physics, 04.07.2019 07:00 enrique3300

Ihave some homework for my 9th grade physical science class and it's due monday, i already completed 1/2 of it, if you can answer one or more that'll be really , ty! if a question does not make sense let me know, each of the pages contain a small paragraph that may be needed to complete the question. (p. s. if u do answer a question, identify the page it is on and what number it is, tysm)page 13: the symbol for one of the elements is derived from its german name, wolfram. what is the english name for this element? page 21. what limitation is placed on electrons in the bohr model of the atom? 2. when the light from a gas is passed through a prism, why is there only a certain number of lines rather than a continuous spectrum? 3. how is the series of lines emitted by a gas similar to a fingerprint? 4. explain how scientists can use the pattern of lines from an unknown gas to identify what elements are contained in the gas? page 31. what is one important difference between the greek theory of atoms and dalton's atomic theory? 2. what is the significance of the invention of the stm? 3. explain how an stm creates an image of the atoms on the surface of a material

ansver
Answers: 1

Other questions on the subject: Physics

image
Physics, 21.06.2019 16:00, shdidiod
Answer quickly (15 points) a comet is approaching earth. describe earth’s gravitational pull as the comet gets closer to it. a. remain constant b. increase c. decrease d. reversed
Answers: 3
image
Physics, 21.06.2019 20:00, VampireQueen01
Player kicks a soccer ball from ground level and sends it flying at an angle of 30 degrees at a speed of 26 m/s. what is the horizontal velocity component of the ball to the nearest tenth of a m/s?
Answers: 2
image
Physics, 22.06.2019 10:00, jeffffffff
**urgent** roberto plans to use two transformers to reduce a voltage of 120 v to 4 v. he uses a transformer that has 300 coils in the primary winding and 50 coils in the secondary winding. he has four other transformers, as listed in the table. which transformer should roberto use to have an ending voltage of 4 v? a- w b-xc- yd- z
Answers: 1
image
Physics, 22.06.2019 10:30, jeffro198004
The speed of light can be used to measure the
Answers: 1
You know the right answer?
Ihave some homework for my 9th grade physical science class and it's due monday, i already completed...

Questions in other subjects:

Konu
Mathematics, 28.05.2021 01:00
Konu
Mathematics, 28.05.2021 01:00