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Answer:

Its complete electron configuration is 1s22s22p63s23p64s23d104p65s24d105p5.

Explanation:

Answer:

true this is correct its your econimically

Answer:

How will her velocity change when  does parachute first open?

The skydiver's weight is balanced by the air resistance. There is no resultant force and the skydiver reaches terminal velocity. When the parachute opens, the air resistance increases. The skydiver slows down until a new, lower terminal velocity is reached.

When a skydiver opens their parachute, they accelerate upwards. This is not the same as saying the move upwards. Acceleration is a change in velocity. They keep feeling an upward force (while moving downward) that slows them until they get to a new terminal velocity.

What force changes when a parachute opens?

An open parachute increases the cross-sectional area of the falling skydiver and thus increases the amount of air resistance which he encounters (as observed in the animation below). Once the parachute is opened, the air resistance overwhelms the downward force of gravity.

What happens if you open the parachute too early?

You are likely to drift off the drop zone. The winds can be pretty heavy at high altitudes, and unless you steer continuously they may blow you off-course. Needless to say, the refrigeration effect of the wind and slipstream will make you feel even colder than the mere altitude. Your landing is likely to be rough.

Answer:

35.45253819

Explanation:

(0.7578*34.96....)+(0.2422*36.96...)

Relative and average atomic mass both describe properties of an element related to its different isotopes. Out of these two Relative atomic mas is more accurate. The average atomic mass of Chlorine is 35.45g.

Mass defines the quantity of a substance. It is measured in gram or kilogram. Average mass is the mass of atoms of an element that are isotopes. It can be calculated by multiplying mass of a isotope to natural abundance of that isotope.

Average atomic mass = (mass of first isotope× percent abundance of first isotope)+(mass of second isotope× percent abundance of second isotope)

Substituting the given values

Average atomic mass=(0.7578×34.96....)+(0.2422×36.96...)

Average atomic mass=35.45g

Therefore, the average atomic mass is 35.45g.

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Explanation:

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Answer: look up field lines for the earths magnetic fields and then go to images  

Explanation:

Answer:

There are two sets of groups in the periodic table. The first set are Group A elements and are also known as representative elements. The second set are Group B elements and are also known as transition metals. Representative elements are the most abundant elements on earth.

Answer:

metric system

Explanation:

Scientists use the metric system, which uses the following base units: 1. Meter for length 2. Gram for mass 3. Liter for volume 4. Second for time Different prefixes

An acid is a chemical that, when added to water, releases hydrogen (H+) ions. The  ion is found in all acids is H⁺ ion. Therefore, option B is correct.

A Brnsted-Lowry acid or Lewis acid is a molecule or ion that has the ability to donate a proton or establish a covalent bond with an electron pair.

An acid is a chemical that, when added to water, releases hydrogen (H+) ions. A hydrogen ion is made up solely of a proton. The formulations for many acids may all be found to contain at least one H, such as hydrochloric acid.

The word "acid," which refers to the sour flavor and pungent odor of numerous acids, derives from the Latin word acidus, which meaning "sour." Examples: Because acetic acid and water are diluted, vinegar has a sour flavor.

Thus, option B is correct.

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Answer:

The correct approach is Option B (Peer Review).

Explanation:

Other approaches do not apply to the example mentioned. Although the one mentioned is right.

Answer:

peer review

Explanation:

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The molecular geometry of molecules is given serially as, tetrahedral,trigonal,tetrahedral,tetrahedral,linear,linear.

Molecular geometry can be defined as a three -dimensional arrangement of atoms which constitute the molecule.It includes parameters like bond length,bond angle and torsional angles.

It influences many properties of molecules like reactivity,polarity color,magnetism .The molecular geometry can be determined by various spectroscopic methods and diffraction methods , some of which are infrared,microwave and Raman spectroscopy.

They provide information about geometry by taking into considerations the vibrational and rotational absorbance of a substance.Neutron and electron diffraction techniques provide information about the distance between nuclei and electron density.

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Answer:

Sulfur trioxide

Sulfur trioxide | SO3 - PubChem.

Explanation:

Answer:

boron, silicon, germanium, arsenic, antimony, and tellurium

Answer:

A.

Explanation:

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Answer:

doppler effect

Explanation:

''The Doppler effect occurs for light as well as sound. For instance, astronomers routinely determine how fast stars and galaxies are moving away from us by measuring the extent to which their light is “stretched” into the lower frequency, red part of the spectrum''

Answer:

Our Sun (a star) and all the planets around it are part of a galaxy known as the Milky Way Galaxy.

Answer:

That it is hard to compress

Explanation:

Answer:

Explanation: Because electrons are delocalized around positively charged nuclei, metallic bonding explains many properties of metals. ... Further, because the electrons are free to move away from each other, working a metal doesn't force together like-charged ions, which could fracture a crystal through the strong repulsion.

Answer:

The calculated mass of one atom of oxygen-18  is approximately  2.99×10⁻²³ grams

Explanation:

The given mass of an oxygen-18 atom = 18.0042 amu

The definition of the atomic mass unit is the mass equivalent to the mass of one twelfth the atomic mass of one atom of carbon-12. The atomic mass unit is used to express the mass of an isotope of an element

1 amu = 1.66 × 10⁻²⁴ grams

Therefore;

18.0042 amu = 18.0042 ×  1.66 × 10⁻²⁴ grams ≈ 2.99×10⁻²³ grams

The calculated mass of one atom of oxygen-18 ≈ 2.99×10⁻²³ grams

The atomic mass unit can be taken as the mass in grams of one mole of the substance

Therefore, the mass of one mole of the oxygen 18 atom = 18.0042 g

Answer:

Is 4 an answer? If so, that is correct

Explanation:

Answer:

14. C ,  15. C. 16. B , 17. D They are all right

Explanation:

Answer:

1:f 2:a 3:c 4:e 5:c 6:d 7:b 8:f 9:a 10:d 11:c 12:c 13:b

Explanation:

Answer:

262.8577 g/mol

Explanation:

The molar mass and molecular weight of Mg3O8P2 is 262.858.

Answer:

The molar mass and molecular weight of Mg3O8P2 is 262.858.

Explanation:

An example of how water is used inside and around the home is brushing teeth before bed. Details about water management can be found below.

Water is a inexhaustible or renewable resource that can be used for domestic and personal purposes.

Water can be used around the home in the following ways:

Therefore, an example of how water is used inside and around the home is brushing teeth before bed.

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Answer:

Carbon < Lithium < Beryllium < Oxygen < Fluorine

Explanation:

Answer:

I think that it is Trachea

Answer:

This question appears incomplete

Explanation:

However, the direction in which the tension acting on the rope is directed is the direction the rope will move. Hence, when a rope is attached to an object, the rope will only "realistically" move in the opposite direction because the rope cannot push an object but can only pull an object, hence can only move in the direction away from the object.

NOTE: Tension can be defined as the pulling force of an object through the use of a string, chain or anything with a potential to stretch fully.