To evaluate the observations you make, you must use ____. a. a hypothesis
c. measurements
b. critical thinking
d. models

Answers

Answer 1

Answer:

Answer:

critical thinking

Explanation:

To evaluate the observations you make, you must use __critical thinking __.

Critical thinking is an way of thinking in which a person improves the quality of his thinking by skillfully analyzing, accessing and reconstructing it. It is self directed, self disciplined and self monitored and self corrective thinking. A well cultivated critical thinker raises vital questions, gathers and assesses relevant information, and thinks openmindedly.

Answer 2

Answer: It maybe both measurements and critical thinking

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A neuron transfers information in the form of an electrical impulse. a. Trueb. False
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1. What conditions must exist in order for a force to do work on an object?

To find the number of neutrons in an atom, you would subtractA.) mass number from atomic number
B.) atomic number from mass number
C.) atomic number from electron number
D.) isotope number from atomic number

Answers

To find the number of neutrons in an atom, what we must do is to follow the following steps:

1) Find the element in the periodic table.

2) Find the atomic number of the element. The atomic number is the number of protons of a single atom of that element.

3) Find the atomic weight of the element.

4) Finally, we look for the number of neutrons. For this, we follow the following relationship:

Atomic weight - number of protons = number of neutrons.

Answer:

To find the number of neutrons in an atom, you would subtract:

B.) atomic number from mass number

Option B is the correct answer, because the number of neutron is equal to the difference between the mass number and atomic number.

Further explain:

Before going about the calculation of the number of neutron in an atom, firstly we will know something about an atom.

An atom is a fundamental unit of matter. It is composed of nucleus and electrons orbiting around the nucleus.

The electrons in an atom are orbiting around the nucleus in the shells of different energies.

Maximum part of the mass of an atom is concentrated in its nucleus and it is composed of proton and neutron. They are also known as nucleons of an atom.

Proton and electron are the charge particles. Proton carries the positive charge while electron carries the negative charge of same amount, but neutron does not carry any type of charge so it is neutral.

The total number of electron is equal to the total number of proton is an atom.

That’s why atoms are neutral in nature.

Atomic number: The total number of electron or total number of proton in an atom is known as the atomic number.

${A_n}=P$

Here, ${A_n}$ is the atomic number and $P$ is the number of proton.

Atomic mass: The sum of number of proton and neutron in an atom is known as atomic mass or mass number.

So, atomic mass can be calculated as,

$\boxed{M = P + N}$

Here, $M$ is the atomic mass or mass number and $N$ is the number of neutron .

So, number of neutron can be calculated as,

$\boxed{N = M - P}$

So, number of neutron is equal to the difference between the mass number and number of proton or atomic number.

Learn more:

1. Water is a compound: brainly.com/question/4636675.

2. Acceleration of the box against the friction: brainly.com/question/7031524.

3. Example of energy brainly.com/question/1062501.

Answer detail:

Grade: High school

Subject: Chemistry

Chapter: Atom

Keyword:

Number of neutron, mass number, proton, electron, atomic number, atom, nucleus, difference, atomic mass, subtraction, orbit, neutral.

What is the high point of a transverse wave

Answers

The highest point of a transverse wave is called a crest. The lowest point between two crests is known by the name of trough. The distance between two crests or two troughs are called by the name of wavelength. The highest part of a crest and the deepest or lowest part of a trough is known by the name of amplitude.

Final answer:

The high point of a transverse wave is called the crest or the peak, which is the point of maximum displacement. It can be observed by viewing a wave from the top or the side, and its height is measured as the amplitude of the wave.

Explanation:

The high point of a transverse wave, such as a light wave, is called the crest or peak. This is the point of maximum displacement or deformation from the equilibrium position in a transverse wave. If one visualizes a wave as a series of high and low points, similar to viewing the ocean waves from above, the crest would be the very top of the wave, whereas the trough would be the very bottom.

Referencing figures 27.4 and 1.25, a transverse wave can be viewed from above and from the side. From the side, one observes how the electric or magnetic fields vary with time. Furthermore, figure 5.5 shows that the amplitude of a wave (the height) is measured from the peak to the trough. This, combined with the wavelength (measured from peak to peak), helps in understanding the wave's properties.

Learn more about transverse wave here:

brainly.com/question/33916729

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Which force is always directed toward the center of a circle?A. normal force
B. nuclear force
C. centrifugal force
D. centripetal force

Answers

The answer is D. centripetal force
This definition of centripetal force is a force acting towards the center of an object moving in a circular motion. Acceleration is the rate of which velocity changes over a period of time. If you pick a point on say a rotating circle and find the tangential velocity at each point it goes through, the acceleration would be towards the middle.

What is the electric field experienced by a charged balloon if the charge on the balloon is 9.4 × 10-10 coulombs and the force it experiences is 8.2 × 10-2 newtons?

Answers

Answer:

Electric field, $E=8.72* 10^7\ N/C$

Explanation:

It is given that,

Charge on the balloon, $q=9.4* 10^(-10)\ C$

Force experienced by the balloon, $F=8.2* 10^(-2)\ N$

The relation between electric force and electric field is given by :

$E=(F)/(q)$

$E=(8.2* 10^(-2))/(9.4* 10^(-10))$

$E=8.72* 10^7\ N/C$

Hence, the electric field experienced by a charged balloon is $8.72* 10^7\ N/C$

We know, F = q.E
E = F/q
Here, F = 8.2 * 10⁻²
q = 9.4 * 10⁻¹⁰

Substitute values into the expression:
E = 8.2 * 10⁻² / 9.4 * 10⁻¹⁰
E = 8.72 * 10⁷ N/C

Hope this helps!

Name the scientist that showed copernicus's theory of a moving earth reasonable?

Answers

The name of the Scientist that showed Copernicus theory of a moving earth reasonable was Galileo. Hope this helps you.

The scientist was Galileo Galelei

Which one of the following choices best describes an advantage of isometric exercise? A. Rapid strength improvement
B. Improved strength across the entire range of motion
C. Improved joint flexibility
D. Motivational

Answers

Answer: C. Improved joint flexibility

Explanation:

Isometric exercises are the exercises which involves the contraction of particular muscles or group of muscles. In these exercises the muscles do not change their length and the joints does not move. These are the exercises which are done in one position. These exercises are performed in order to obtain strength during training exercises during which the muscle length and joint angles do not basically change. These exercises are high intensity exercises and contributes to the building of muscles and burning of fat.

On the basis of the above information, A. Rapid strength improvement is the correct option.

Final answer:

The primary advantage of isometric exercise is rapid strength improvement in a specific area, not necessarily improved flexibility or range of motion.

Explanation:

The best answer that describes an advantage of isometric exercise is A. Rapid strength improvement. Isometric exercises are often used for rehabilitation and building strength, as they involve the contraction of a specific set of muscles in a static position. This type of exercise does not involve the muscle changing length or the joint angle changing, which allows for an increase in strength in a very focused manner.

This does not necessarily mean that isometric exercises enhance joint flexibility (C) or improve strength across the entire range of motion (B) as the movement is static. The motivation aspect (D) can differ from person to person, but it's not a direct physical benefit of isometric exercises.