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2 years ago

Which description best explains a molecular bonding?

Physics

1 answer:

poizon [28]2 years ago

3 0

Explanation:

Which description best explains a molecular bonding? Shares electrons

A covalent bond is also known also known as molecular bonding because sharing of electrons occur between two or more atoms.

Molecular bonds are formed between two or more atoms having zero or very small electronegativity difference between them.
This bond type exists between molecules of non-metals.
Each of the atom tends to share the valence electrons in their outer energy levels to be able to mimic the noble gas structure.
This bond type results in formation of molecules.

Learn more:

Covalent bonds brainly.com/question/6029316

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Isotopes of the same elements always have the same Z-number

Isotopes of an element have the same electronic configuration hence they have the same chemical properties.

isotopy is the existence of two or more atoms of the same element having the same atomic number but different mass numbers.
This is due to the differences in the number of neutrons in their various nuclei.

A- number is the mass number or atomic mass number of an atom.

Z-number is the atomic number of an atom

Isotopes have the same atomic number.

Learn more:

Isotopes brainly.com/question/4551913

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Some of the heavy particles bounced off the foil, because there is a dense, positive area in the atom.

Rutherford performed an experiment that gave that atomic model a significant leap.
He found out most alpha particles passed through the foil while a few of them deflected back.
He proposed that an atom is made up of a small positively charge center where nearly all the mass is concentrated.

Learn more:

Rutherford brainly.com/question/1859083

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Burning paper

A chemical change is one in which a new kind of matter is formed.
Chemical changes are always accompanied by energy changes which can be absorption or evolution.
These processes are not easily reversible.
It involves a change in mass
It requires considerable amount of energy.

When a paper is burnt, it turns to ashes. Ashes cannot be turned back into a paper. This is a chemical change.

Learn more:

Chemical change brainly.com/question/9388643

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It remains the same

When the number of neutrons in an atom increases, the atomic number stays the same.

The atomic number is the number of protons in an atom.
Protons are positively charged particles in the nucleus of an atom.
When the number of neutrons changes, the mass number changes.
Neutrons have no effect on the number of protons in an atom.
They are both sub-atomic particles with electrons

Learn more:

Atomic number brainly.com/question/5425825

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Equal number of protons and electrons

Protons are the positively charged particles in atom. Electrons are the negatively charged particles in an atom.

Every atom is electrically neutral.
Electrical neutrality is achieved when the number of protons and electrons are the same.
In atoms, this number is the same.
If the number differs, such an atom is called an ion.

Learn more:

Cations and anions brainly.com/question/4223679

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11 electrons

In a neutral atom, the number of protons and electrons are the same.

Protons are the positively charged particles in an atom.
Electrons are the negatively charged particles in an atom.
Neutrons do not carry any charges in an atom.
A charged atom is an atom that has lost or gained electrons.
In a neutral atom, the number of protons and electrons are the same.

Learn more:

Cations and anions brainly.com/question/4223679

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Thomson D) Electrons

Rutherford B) Nucleus

Bohr C) Electron energy levels

Schrodinger A) Electron cloud and orbitals

J.J Thomson experimented on gas discharge tubes and this led to the discovery of electrons as a subatomic particle. He called the particles cathode rays.
Ernest Rutherford performed the gold foil experiment that gave the modelling of the atom a significant boost. He found that most of the alpha particles passed through the foil while a few of them deflected back. To explain this, he suggested that an atom is made up of a positively charged center where nearly all the mass is concentrated.
Neil Bohr suggested that the extranuclear space is made up of electrons in specific spherical orbits. Electrons move round the nucleus in certain permissible orbits called energy levels.
Erwin Schrodinger formulated the wave equation for electrons. He suggested that the region of maximum probability of where n electron is located is referred to as an electron cloud or orbital.

Learn more:

Nells Bohr brainly.com/question/4986277

Rutherford brainly.com/question/1859083

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If the social distancing length between two students is doubled from two metered to four meters, does the gravitational force be

jonny [76]

Answer:

the gravitational force decreases

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2 years ago

A student has been assigned to measure the density of an irregularly shaped piece of metal.which apparatus would be more appropr

SOVA2 [1]

Complete Question:

A student has been assigned to measure the density of an irregularly shaped piece of metal.

Which apparatus would be most appropriate to carry out this task?

Group of answer choices

A. ruler, balance

B. beaker, crucible

C. flask, Bunsen burner

D. graduated cylinder, balance

Answer:

D. graduated cylinder, balance

Explanation:

In this scenario, A student has been assigned to measure the density of an irregularly shaped piece of metal.

The apparatus which would be most appropriate to carry out this task is a graduated cylinder and balance.

A graduated cylinder can be defined as a measuring cylinder used for the measurement of the volume of an irregularly shaped piece of metal or liquids. It is typically marked with horizontal lines on its side as units of measurement for volume. The balance is then used to weigh the metals mass.

3 0

2 years ago

Consider a system of a cliff diver and the earth. the gravitational potential energy of the system decreases by 28,000 j as the

olga2289 [7]

The decrease in gravitational potential energy of the system is given by

$\Delta U = (mg) \Delta h$

where

m is the mass, g is the gravitational acceleration, and $\Delta h$ is the variation of height of the system.

$(mg)$ also corresponds to the weight of the diver, therefore if we rearrange the equation and we use $\Delta U=28000 J$ and $\Delta h=32.0 m$ , we can find her weight:

$mg=\frac{\Delta U}{\Delta h}=\frac{28000 J}{32 m}=875 N$

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3 years ago

Dalton was one of this first scientist to experiment prove that

Licemer1 [7]

John Dalton. Modern Atomic Theory (John Dalton) Experiments with gases that first became possible at the turn of the nineteenth century led John Dalton in 1803 to propose a modern theory of the atom based on the following assumptions. 1. Matter is made up of atoms that are indivisible and indestructible.

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2 years ago

How do you find the number of neutrons

sammy [17]

the mass number minus the atomic number

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2 years ago