Atoms become charged by gaining or losing _____. electrons protons neutrons
Answers
It's not neutrons because neutrons don't have a charge (they're not positive or negative). They don't make a difference in the charge of an atom.
It's not protons because atoms don't lose or gain protons. They stay in the nucleus.
Electrons, however, are not in the nucleus. They fly crazy fast around the nucleus and can sometimes get sucked in by the nucleus of another atom. Electrons are also negatively charged. Gaining electrons makes an atom negatively charged. Losing electrons makes an atom positively charged.
Related Questions
A 700-watt gasoline engine and a 300-watt electric motor both do 3 J of work. Which machine can do the work faster? Explain your answer.
Which statement is true about a polarized object? A) It gains electrons and becomes negatively charged. B) It gains protons and becomes positively charged. C) The number of positive and negative charges can be the same. D) It has to be a metal. E) There is no change in the distribution of the charge in the object.
a bullet of mass m is fired into a block of mass m that is at rest. the block, with the bullet embedded, slides distance d across a horizontal surface. the coefficient of kinetic friction is μk.
An observation of the red shift of galaxies suggests that the universe isa. expanding. c. reversing. b. contracting. d. stagnant.
b. blue, yellow, and white are primary colors.
c. they are complementary colors of light.
d. they are both primary colors of light.
Answers
Answer: The correct answer is c.
Explanation: According the RGB color model, the light of the two complementary colors will combine to form a white light. This happens because the complementary colors combine at full intensity.
Complementary colors according to RBG color model is:
- Red - Cyan
- Green - Magenta
- Blue - Yellow
From the above information, we conclude that blue light and yellow light are complementary colors of light and hence, the combination of two will produce white light.
When you say complementary colors, it refers to a combination of 2 colors that when mixed, they fade out their color. That's why when blue light and yellow light are combined they produces white light.
Answers
or what the passing percentage is for the semester, or any of that.
B 100 meters/second
C 1 meter/second
D 10 meters/second
Other ___________
Answers
Answer:
The answer to your question is the letter D) 10 m/s
Explanation:
Data
distance = 100 m
time = 10 s
velocity = ?
Definition. Velocity is the rate of change of distance with respect to time.
Formula
Velocity = distance / time
-Substitution
Velocity = 100 / 10
-Simplification
Velocity = 10 meters/second
Answers
The greatest to the least would be:
- 2m-D-m
- M-D-2m
- M=D=M
- M=2D=2M
What is meant by force of attraction
The force of attraction refers to the physical phenomenon in which objects are drawn toward each other due to gravitational, electromagnetic, or other fundamental forces. This attraction can be explained by several different interactions, including:
Gravitational Attraction: This is the force of attraction between two objects with mass. According to Newton's law of universal gravitation, every mass in the universe attracts every other mass with a force directly proportional to the product of their masses and inversely proportional to the square of the distance between them.
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F = Gm₁m₂ / d²
where m₁ and m₂ are there masses, d is the distance, and G is the gravitational constant. These means that the force is directly related to the masses and inversely to the distance. From the given choices, B will have the greatest energy, followed by C and A, respectively. Lastly, the least force will that be of D.
Answers
The power rating of household appliances
is (always ?) indicated in watts.
1 horsepower = 746 watts.
Answer:
Watts
Explanation:
Answers
Answer:
500 m
Explanation:
The size of a nucleus is about
Instead, the size of the electron cloud extends at the order of
This means that the ratio between the size of the electron cloud and the size of the nucleus is about
So, the electron cloud is about 10,000 bigger than the nucleus of the atom.
Here we want to build a scale-model atom, in which the nucleus is the size of a tennis ball, so a size of approximately
Therefore, since the proportions must be respected, the electron clouds must be 10,000 bigger, so its size in this model would be:
So, the size of the electron cloud would be 500 m.
Final answer:
The cloud of electrons in a scale-model atom would extend about 100 meters.
Explanation:
The nucleus is a central, positively charged region within an atom. It contains protons, which have a positive electric charge, and neutrons, which are electrically neutral. Nuclei make up the majority of an atom's mass and are held together by the strong nuclear force, while electrons orbit the nucleus in electron shells.
In a scale-model atom where the nucleus is the size of a tennis ball, the cloud of electrons would extend about 100 meters. This can be calculated by comparing the size of the nucleus to the actual size of an atom. The diameter of a tennis ball is approximately 6.7 cm, while the diameter of an atom is on the order of 0.1 nm. By scaling up, we find that the electron cloud would extend around 100 meters.
Learn more about Scale-model atom here:
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