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deff fn [24]
2 years ago
13

How do water particles move in a wave? A. They move forward with the wave. B. They move in a circular motion. C. They move up an

d down. D. They move side to side.
Chemistry
1 answer:
Olin [163]2 years ago
4 0
Sorry if I'm wrong but I think that it is B. 
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The factors in an experiment are called what
koban [17]

Answer:

Variables

Explanation:

A variable is any factor, trait, or condition that can exist in differing amounts or types.

Hope this helps :  )

6 0
3 years ago
Read 2 more answers
Describe Bohr’s model of the atom consisted of a central
MariettaO [177]

Answer:

The answer to this question is given below in the explanation section.

Explanation:

The Bohr model depicts an atom as a small, positively charged nucleus surrounded by electrons.These electrons travel in circular orbit around the nucleus similar in structure to the solar system,except electrostatic forces rather than gravity provide attraction.Electron orbit around the nucleus resembles that of planets around the sun in the solar system.

        The Bohr model was an improvement  on the earlier cubic model(1902),the plum pudding model(1904) the saturnine model (1904) the rutherford model (1911) since the Bohr model is a quantum physics based modification of the Rutherford may source combine the two:the Rutherford-Bohr model

Although revolutionary at the time,the Bohr model is a relatively primitive model of the hydrogen atom compared to the  valence shell atom.As an initial hypothesis it was derived as a first order approximation to describe the hydrogen atom.Due to its simplicity and correct results for selected systems.

In 913 Bohr suggested that electrons could only have certain classical motions:

  1. Electrons in atoms orbit the nucleus.
  2. The electrons can only orbit stably,without radiating in certain orbits at a certain discrete set of distances from the nucleus.These orbit are associated with definite energies and are also called energy shells or energy levels.
  3. Electrons can only gives or lose energy by jumping from one allowed orbit to another,absorbing or emitting electromagnetic radiation with a frequency (v) determined by the energy difference of the levels according to the plank relation.
4 0
2 years ago
3. The number of electrons and neutrons in an atom are 13 and 14, respectively. Find out the mass number, atomic number, valency
QveST [7]

Answer:

Explanation:

3. The number of electrons and neutrons in an atom are 13 and 14, respectively. Find out the mass number, atomic number, valency, and symbol of the element.

For a neutral atom. number of protons =number of electrons=13

so since atomic number is the number of protons =13

mass number = protons + neutons =14+13 = 27

atomic number 13 is Aluminum (AL-(see periodic table)

The electronic structure for 13 electrons is 1s2s2p63s23p1

so Al has 3 electrons which are VALIENT and can react and when it loses the 3 it will have  CHARGE OF +3

7 0
2 years ago
Which of the following BEST explains why the tectonic plates of Earth move?
RoseWind [281]

Answer:

The plates can be thought of like pieces of a cracked shell that rest on the hot, molten rock of Earth’s mantle and fit snugly against one another. The heat from radioactive processes within the planet’s interior causes the plates to move, sometimes toward and sometimes away from each other.

8 0
3 years ago
Read 2 more answers
PLEASE HURRY THIS IS TIMED!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
AURORKA [14]

Answer:

if i remember correctly i beleive its A  1.8 x 10^24

but im not for sure  also i think you forgot the 24

Explanation:

5 0
3 years ago
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