Final answer:
John Dalton created his own element symbols to visually represent the atoms and their combinations as part of his atomic theory. These symbols were crucial for the systematization of chemistry and preceded other symbol systems such as those of G. N. Lewis, which illustrate valence electrons and chemical bonding.
Explanation:
John Dalton, an English scientist, devised his own element symbols as part of his pioneering work in atomic theory. Dalton's atomic theory posited that elements are composed of indivisible atoms, that matter combines in fixed ratios, and that compounds always have consistent proportions. His element symbols, depicted in Dalton's book A New System of Chemical Philosophy, were an early attempt to represent these atoms and their combinations visually. These symbols laid the groundwork for the systematization of chemistry and were a precursor to later representations such as the Lewis dot symbols. Unlike Dalton's symbols, Lewis dot symbols focus on representing the valence electrons of atoms to predict chemical bonding and formation, as G. N. Lewis published in 1916.
Without Dalton's work, our understanding of the chemical composition of matter and the development of subsequent theories of chemical bonding, such as those proposed by G. N. Lewis, might have been significantly delayed. Dalton's dedication to empirical evidence and experimentation set his atomic theory apart from the philosophical ideas of ancient Greeks like Democritus and Leucippus, contributing greatly to the advancement of modern science and chemistry.
which of the following types of waves has the greatest amount of energy?
A location in Florida is facing acute water shortage. Which of these is the best method to conserve water in homes of the location?
A paper clip is pushed horizontally off a table with speed 1.5m/s. If the table has a height of 1.1m how far from the table does the paper clip land?
A. 1.4m
B.1.1m
C. 0.47m
D.0.71m
IN THIS FORMULA FOR WATER WHAT DOES THE SUBSCRIPT 2 INDICATE
Read the given list of organisms.
deer, sheep, wolf, cattle, insects
What best describes the role of these five organisms in a food web?
Carnivores, as they all eat meat
Herbivores, as they all feed on plants
Consumers, as they all make their own food
Consumers, as they all obtain food from plants or animals
Answer:
the answer would be B
Explanation:
all the animals are plant eaters or herbivores
How much force is needed to accelerate a 66 kg skier at 2 m/sec2? A) 132 kg B) 33 N C) 0.03 kg D) 132 N
The difference between a hypothesis and an inference
WILL GIVE BRAINLIEST!!!
The Mid-Atlantic Ridge in the Atlantic Ocean is the site of the largest mountain range in the world. It runs all the way from the Arctic Ocean to the southern tip of Africa. Because of movements at the Mid-Atlantic Ridge, the Atlantic Ocean widens by about 2.5 centimeters each year. Which type of plate boundary causes this motion?
A) Transform boundary
B) Strike-slip boundary
C) Divergent boundary
D) Convergent boundary
Answer:
Explanation:
Divergent Boundary
Answer:
The Mid Atlantic Ridge, like other ocean ridge systems, has developed as a consequence of the divergent motion between the Eurasian and North American, and African and South American Plates
Explanation:
a brick dropped from 78m high scaffold. what is the velocity as the brick hits the pavement? show work.
Answer:
39.09987212m/s
This is the ans.
What helped provide support for the Plate Tectonic theory in the 1960s?
A) Detailed research of the ocean floor
B) Shape of the continental coastlines matching up together
C) Mountain ranges that seem to match up on different continents
D) Mineral and fossil matches from tests done on different continents
Which question about the discovery of the earth revolving around the sun could be best answered using scientific inquiry
In order to scientifically demonstrate that Earth is spherical, one can measure the Earth's curvature, conduct gravity experiments, utilize satellite imagery, and observe the change in constellations at different latitudes.
Explanation:The question that could be best answered using scientific inquiry about the discovery of the Earth revolving around the sun would be: Give four ways to demonstrate that Earth is spherical.
Measure the Earth's curvature using a long-distance view, such as observing a ship disappearing over the horizon.Conduct experiments with gravity, such as observing the shape of water in a container or using a plumb line to measure verticality.Utilize satellite imagery or photos taken from space to show the Earth's spherical shape.Observe the change in constellations as you move away from the equator, which can only be explained by Earth's sphericity.What occurs when an object vibrates in response to sound waves of a certain frequency?
answer: resonance
Explanation: APHEX
Which describes the greatest displacement?
A) walking 3m east, then walking 3m north, then 3m west
B) walking 3m east, then 3m south, then 3m north
C) walking 3m north, then 3m south, then walking 3m north
D) walking 3m north, then 3m west, then 3m south
Thank you!
The greatest displacement is either option A or C, as both result in the person being displaced by 3 meters north of their starting point.
Explanation:The question asks which of the given options describes the greatest displacement. Displacement is a vector quantity that describes the change in position of an object. It is important to understand that displacement takes into account the initial and final positions, not the total distance traveled.
A) walking 3m east, then walking 3m north, then 3m westB) walking 3m east, then 3m south, then 3m northC) walking 3m north, then 3m south, then walking 3m northD) walking 3m north, then 3m west, then 3m southFor option A, the displacement would result in the person being 3m north from their starting point, since the east and west movements cancel out. Option B results in the person being 3m east of the starting point, as the south and north movements cancel each other out. Option C essentially brings the person back to their starting point after the first two movements, and then displaces them 3m north, similar to option A. Finally, option D involves the person moving 3m in each of the cardinal directions, which would bring them right back to their starting point, resulting in a displacement of 0 meters.
The correct answer is either option A or C, as both result in the greatest displacement, which is 3 meters north.
How did the mechanical legs using to building robots reassemble the walking motions how are they different
The New York Wheel is the world's largest Ferris wheel. It's 183 meters in diameter and rotates once every 37.3 min.
Find the magnitude of the average acceleration at the wheel's rim, over a 8.60-min interval.
Instrument that I used to open locks
By definition, we have to:
A key is an element commonly used to open locks where there are some objects that are intended to protect
Theodore of Samos in the seventh century BC invented the keys.
The largest number of keys used are metal (steel or aluminum), its use is to open the lock by entering it and turning.
Answer:
Instrument that I used to open locks is:
The keys.
true or False: Friction makes energy vanish. Explain your answer!
Use the following terms in the same sentence:proton, neutron ,and isotope
Which of the following is an example of changing the impulse of a collision?
Question 2 options:
A boxer turning his head while being punched.
A truck smashing into two-layered retaining wall.
Removing mass from a ship before it collides with an iceberg.
A sugar-glider slowing down mid-air before hitting the ground.
improvements in which area would help reduce the possibility of change to the environment when using uranium as a fuel ?
Select the best answer for the question.
19. In a stringed musical instrument, the sound frequency of a particular string can be increased by
What has to be true about mass if a small object (like a metal ball) has a high density? A: The mass has to be high compared to the volume. B: The mass has to be low compared to the volume. C: The mass is not related to the density. D: The mass would be determined by throwing the ball in water.
Answer:
the mass must be high compared to the volume
Explanation:
i just took a test and got 100%
Your soccer team needs to add a new player midseason. Which of these people would most likely demonstrate good sportsmanship based on the information provided? Lexi, because she played on the championship team last year George, because he is the most fit person in the school Jasper, because he developed friendships playing with everyone last year Lauren, because she is competitive and has a drive to win
Answer:Jasper
Explanation:
Soccer team need to add new player so we should add jasper, because he developed friendships playing with everyone last year .Great sportsmanship can be expected from jasper as he know the team inside out .He may also know strength of weakness of the team mates thus he most suitable for team.
Denise is conducting a physics experiment to measure the acceleration of a falling object when it slows down and comes to a stop. She drops a wooden block with a mass od 0.5 kilograms on a sensor on the floor. The sensor measures the force of the impact as 4.9 newtons. Whats the acceleration of the wooden block wgen it hits the sensor
Answer:
[tex]a = 9.8 m/s^2[/tex]
Explanation:
As we know that here given parameters are
[tex]mass = 0.5 kg[/tex]
also we know that force of impact on the floor is given as
[tex]F = 4.9 N[/tex]
now we know by the Newton's 2nd law says that the net force on an object is product of mass and its acceleration
it is given by
[tex]F = ma[/tex]
now we have
[tex]a = \frac{F}{m}[/tex]
[tex]a = \frac{4.9}{0.5}[/tex]
[tex]a = 9.8 m/s^2[/tex]
Marisa's car accelerates at an average rate of 2.6m/s2. How long will it take her car to accelerate from 24.6m/s to 26.8m/s?
Why do oceanographers study Meddies?
You have discovered a meteorite that seems to be metallic. Its mass is 370 g, and you calculate the volume to be 50 cm3. Based on the three values provided, which metal would most likely match the composition of the meteorite?aluminumironleadnone of these (density is less than 1.0)
What is the only truly liquid layer of the earth?
A) inner core
B) outer core
C) lower mantle
D) Upper Mantle
as the moon changes appearance during the month, it follows a pattern. describe the pattern.
Moon can go through phases from quarter to half to three-forth to a full moon.
What is Full moon?When the moon is in its full brightness and its whole disc is illuminated.
The Moon reflects its light from the Sun. Only the part of the Moon that faces the Sun is visible. As the Moon revolves around the Earth, its shadow covers part of its surface. The full moon occurs when the entire moon is visible. A quarter way through the cycle, half of the moon is visible, known as the first quarter. When the Moon seems to disappear, which is known as a new moon or no moon.
Thus, Moon can go through phases from quarter to half to three-forth to a full moon.
Learn more about Full moon.
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Decrease in amount of time that you spent exercising is a form of overloading training true or false