Hydrogen bonding occurs in molecules when a _____________. (1 point)hydrogen atom forms a covalent bond with one other atom.
hydrogen atom forms covalent bonds with more than one atom.
hydrogen atom of a polarized molecule bonds with an electronegative atom
hydrogen atoms form an ionic bond with one other atom

Answers

Answer 1

Answer:

Answer: hydrogen atom of a polarized molecule bonds with an electro negative atom.

Explanation:

Hydrogen bonds are special type of dipole dipole forces which are formed when hydrogen bonds with an electro negative element. Hydrogen bonds are strongest type of bonds .Example: Bond between Oxygen of one water molecule to the hydrogen of another water molecule as shown in the image below.

Covalent bonds are formed by sharing of electrons among non metals.

Ionic bond is formed by transfer of electrons between metals and non metals.

Answer 2

Answer:

Answer:

No because hydrogen can only form these bonds with highly electronegative atoms.

Explanation:

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Subatomic particles can usually pass undeflected through an atom because the volume of an atom is composed of(1) an uncharged nucleus
(2) largely empty space
(3) neutrons
(4) protons

Answers

Subatomic particles can usually pass undeflected through an atom because the volume of an atom is composed of largely empty space. The correct option is (2).

What are subatomic particles?

Subatomic particles are those particles that are present inside the atoms. They are charged particles. They are electrons, neutrons, and protons. Subatomic particles constitute the atom.

Subatomic particles known as electrons constantly revolve around the atomic nucleus of every atom. These particles are the furthest from the atom's nucleus and are negatively charged in nature.

Protons and neutrons, for example, are subatomic particles that are found in the atom's nucleus. While neutrons don't have any net charge, protons are positively charged particles.

Thus, the correct option is (2) largely empty space.

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the answer is 2> largely empty space

How many moles of tungsten atoms are in 4.8 × 1023 atoms of tungsten?

Answers

Answer:- 0.80 moles

Solution:- Number of atoms of tungsten are given and we are asked to calculate the moles of tungsten atoms. So, it is a atom to mole conversion and for this we use the Avogadro number.

Number of atoms are divided by Avogadro number to get the number of moles.

Avogadro number is $6.022*10^2^3$ . Given number of atoms is $4.8*10^2^3$ . let's divide it by Avogadro number.

$4.8*10^2^3atoms((1mol)/(6.022*10^2^3atoms))$

Numerator and denominator has equal exponent so it is canceled. So, we only need to divide 4.8 by 6.022 and round the answer to two sig figs as given number of atoms has only two sig figs.

$4.8((1mol)/(6.022))$

= 0.80 moles

Hence, there are 0.80 moles of tungsten atoms in given number of atoms.

A sample of nitric acid contains both H3O ions and NO3 ions. This sample has a pHvalue of 1.
What is the color of methyl orange after it is added to this sample?

Answers

The indicator will lead to a solution that has a red color. Methyl orange is an indicator used in titrations because it changes colors at all pH values. When in acidic solution it is red and in basic it is yellow. A pH of 1 is acidic, therefore a red solution.

Asbestos is commonly found in buildings and structures built before what year?

Answers

Asbestos is commonly found in buildings and structures built before the year 2000. This is because it was around this time that it was discovered that inhaling asbestos particles can lead to very serious diseases. It is a material found in many parts of a building or any infrastructure. A total ban of the material was implemented in 2000.

Write the proper word equation to express the following chemical reaction: 4Fe (s) + 3Sn(NO3)4 (aq) Imported Asset 4Fe(NO3)3 (aq) + 3Sn

Answers

The proper word equation for

4Fe + 3Sn(NO3)4 = 4Fe(NO3)3 + 3Sn is as below

Iron + Tin (iv) nitrate = iron(iii) nitrate + Tin

iron displaces tin from it compound ( Tin (iv) nitrate to form iron (iii) nitrate and tin.

from the equation above 4 moles of Fe displaces 3 moles of Sn(NO3)4 to form 4 moles of Fe(NO3)3 and 3 moles of SN

Which of the examples below is a chemical agent? Select one:a. Anthrax
b. Uranium
c. Chlorine
d. Dynamite

Answers

The example of a chemical agent is chlorine. Details about chemical substances can be found below.

What is a chemical substance?

A chemical is a material with a specific chemical composition.

Chlorine is a toxic, green, gaseous chemical element (symbol Cl) with an atomic number of 17.. Chlorine is widely used for treating water.

Therefore, an example of a chemicalagent is chlorine.

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Chlorine, Anthax is a biological agent, and uranium is a radioactive agent, and dynamite is just a no. Chlorine is a chemical gas.

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