2. If an eagle is flying at a constant speed, it is accelerating. True or
False

Experimental results will be trusted by the scientific community only if they have been peer-reviewed. Thus, option A is correct.

Research is the creation of new knowledge and/or the use of existing knowledge in a new and creative way so as to generate new concepts and understandings.

“Peer-reviewed” means that the paper is analyzed by fellow scientists, who evaluate the logic or methodology that might shed doubt on the findings.

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Answer:

f=vλ where: f is the frequency of the wave in hertz. v is the velocity of the wave in meters per second. λ is the wavelength of the wave in meters

f= 32*8 = 256 hertz

Explanation:

Answer:

72 Newton

Explanation:

force=mass x acceleration due to gravity

Force applied on object is 72 Newton​

Given that;

mass of thing = 6 kg

Acceleration = 12 m/s²

Find:

Force applied on object

Computation:

Force = mass × acceleration

Force applied on object = 6 × 12

Force applied on object = 72 Newton​

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Answer: Correct answer is

Ar- Argon

Explanation:

A P E X :)

Answer:

Asia

Explanation:

Answer:

Asia.

Explanation:

option c is correct

number of electron in the outermost shell describe the reactivity if the outermost shell is completely filled its mean the reactivity of element is low and if it is completely filled then the element is highly reactive

Answer:

Aluminium.

Explanation:

The above electronic configuration can be written in a simplified form as shown below:

1s² 2s²2p⁶ 3s²3p¹

Next, we shall determine the number of electrons in the atom of the element as follow:

Number electron = 2 + 2 + 6 + 2 + 1

Number of electron = 13

Next, we shall determine the number of protons.

Since the element is in its neutral state,

The number of electrons and protons are equal i.e

Proton = Electron

Number of electron = 13

Proton = Electron = 13

Proton = 13

Next, we shall determine the atomic number of the element.

The atomic number of an element is simply the number of protons in the atom of the element i.e

Atomic number = proton number

Proton = 13

Atomic number = 13

Comparing the atomic number of the element with those in the periodic table, the element with the above electronic configuration is aluminium since no two elements have the same atomic number.

The atomic mass comes from isotopes on the periodic table.

Cloud is a gas.

ice is a solid.

snow is a solid.

steam is a gas.

rain is a liquid.

Answer:

Sunlight provides the energy

Answer:

The Bohr model shows the atom as a central nucleus containing protons and neutrons with the electrons in circular orbitals at specific distances from the nucleus (Figure 1). These orbits form electron shells or energy levels, which are a way of visualizing the number of electrons in the various shells

Answer:

The sum of the number of protons and neutrons in an atom is called the Mass number.

Mass of the cube of silver is 3,449.34 kg

First find the volume of the cube in centimeters because the density is in centimeters:

0.69 * 100 = 69 centimeters

Volume = Side * Side * Side

= 0.69 x 0.69 x 0.69

= 328,509 cm³

The density of a material is calculated by the formula:

= Mass / Volume

As you have the density already and the volume, you can get the mass:

10.5 = Mass / 328,509

Mass = 10.5 * 328,509

= 3,449,344.50 grams

A kilogram is 1,000 grams so the mass in kg is:

= 3,449,344.50 / 1,000

= 3,449.3445 kilograms

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Answer:

The gasoline undergoes a change as it burns.

Explanation:

Just took the Unit Test review ((:

Answer:

b

Explanation:

because i said so brudda

Answer:

the answer is A :)

Explanation:

Answer:

The answer is

Explanation:

The volume of a substance when given the density and mass can be found by using the formula

[tex]volume = \frac{mass}{Density} [/tex]

From the question

mass = 468 g

Density = 17 g/L

Substitute the values into the above formula and solve

We have

[tex]volume = \frac{468}{17} \\ = 27.529411[/tex]

We have the final answer as

Hope this helps you

Answer:

Explanation:

no, as it can also be used to describe a gas- a fluid includes liquids, gases and plasms

Answer:

A.

Explanation

Because it is totally irrelevant to what the question is asking.

Answer: there are atoms that either have too many or too few neutrons or protons in their nuclei. This results in an imbalance between the jedi forces holding them together, which leads to an excess of internal energy. Such atoms are said to be unstable or radioactive.

Explanation:

Answer:

she bought 3  erasers an got two dollars back

Explanation:

Answer:

Chlorine

Explanation:

Each arrow represents one electron. Most of the boxes are filled, meaning they have two electrons. The last box only has one arrow, so it only has one electron. If you add it up, you get 17, which is Chlorine.

Answer:

An electron is a negatively charged subatomic particle and a proton is a positively charged subatomic particle. Positive charge(s) attract negative charge(s) and vice versa. The proton and neutron stay together and attract one another to give the atom an overall charge of zero (neutral). Which is the charge of an atom. When there is an unequal number of protons and neutrons an ion is formed. If the number of protons are more than the electron, a positively charged ion called cation is formed. On the other hand, if the number of electrons are more than the protons a negatively charged ion called anion is formed.

Answer:

When an atom has an equal number of electrons and protons, it has an equal number of negative electric charges (the electrons) and positive electric charges (the protons). The total electric charge of the atom is therefore zero and the atom is said to be neutral. ... Chemically, we say that the atoms have formed bonds.

Explanation:

Answer:

The frequencies of light that an atom can emit are dependent on states the electrons can be in. When excited, an electron moves to a higher energy level or orbital. When the electron falls back to its ground level the light is emitted.