What is ionization energy? a. the minimum energy required to remove one electron from an atom.
b. the maximum energy required to remove one electron from an atom.
c. the maximum energy required to move one electron to the valence shell.
d. the minimum energy required to remove one electron from another electron.

Answers

Answer 1

Answer:

Answer:

D) energy required to remove a valence electron

Explanation:

Ionization energy can be defined as the atom's ability to and the energy required to remove a valence electron. Ionization energy increases up a group and to the right along a period. So helium has the highest first Ionization energy meaning that it is very hard to remove an electron from helium because octet is already complete.

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What is meant by the solubility of a substance?and
What conditions must be specified when expressing the solubility of a substance

Answers

Solubility means the ability of a solute to dissolve in solvent to form a solution.

The temperature and pressure must be specified when expressing the solubility of a substance.

What is solubility?

Solubility is defined as the maximum amount of a substance that will dissolve in a given amount of solvent at a particular temperature.

The solute can be a solid, liquid or a gas.

The solubility of a solid or a liquid solute in a solvent is affected by the temperature, while the solubility of a gaseous solute is affected by both the temperature and the pressure of the gas.

Temperature must be specified because solubility varies with temperature. For gases, the pressure must also be specified. Solubility is specific for a particular solvent.

Therefore, Solubility means the ability of a solute to dissolve in solvent to form a solution.

The temperature and pressure must be specified when expressing the solubility of a substance.

Learn more about Solubility, here:

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Solubility is the property of a substance (any state of matter) to whether it can be dissolved. So if a substance is soluble (i.e. salt - in water) it dissolves easily. If it is insoluble, then it does not dissolve.
Conditions that must be specified include the solute (the substance that is dissolved, such as the salt) and the solvent (the liquid in which the solute is dissolved).

Why are lichens a good pioneer species after a volcanic eruption

Answers

They are able to grow on bare rock

Love Expiant~

They are able to grow on bare rock.

Which of the following does NOT correctly describe the kinetic molecular theory? Collisions between gas particles are inelastic.Gas particles are small and spherical with an insignificant volume.
During collisions between two gas particles, kinetic energy is transferred without any loss.
The motion of gas particles is constant and random.

Answers

Answer: Collisions between gas particles are inelastic.

Explanation: Kinetic Molecular Theory explains the basic relation between the temperature and the speed of the gaseous molecule . From this theory itself, ideal gas equation was born.

the incorrect postulates among the given is that the 'Collisions between gas particles are inelastic' because during collision, the gas molecules collide with one another as well as with the walls of the container .

Thus there is no loss of kinetic energy in the collision phenomenon .

It is also correctly given that Gas particles are small and spherical with an insignificant volume and the motion of gas particles is constant and random.

Collisions between gas particles are inelastic. - A

The collisions in a gas are assumed to be perfectly elastic

What is the new boiling point if 25 g of NaCl is dissolved in 1.0 kg of water

Answers

The correct answer for the question that is being presented above is this one:

Given that:
delta Tb = Kbm Kb H2O = 0.52 degrees C/m
delta Tf = Kfm Kf H2O = 1.86 degrees C/m

We need to know the formula for Molality.
molality = mol solute / kg solvent

We are given the amount of solute in grams
Since amount of solute is given in moles, we have to convert 25 g NaCl to moles. Divide by molar mass.

25 g NaCl / 58.5 g/mol = 0.427 mol

Then, use the formula for molality.

molality = mol solute / kg solvent
= 0.427 / 1
= 0.427 m

Use now the formula to get the boiling point.

delta Tb = Kbm
= (0.52)(0.427)
= 0.22C

Which of the following metal atoms would have the highest conductivity?

Answers

Conductivity is a way that an atom reacts. Therefore, when we say "highest" we mean the most reactive. Elements or atoms that are highly reactive are those that want to be stable. Therefore, the atoms that have 7 valence electrons would be highly reactive because they need 1 more electron to fill their outer energy shell to become stable.

Answer:The atom with the largest radius and the most valence electrons.

Explanation:it just makes sense and it’s also right.

Properties that make titanium useful for tennis rackets and wheelchairs

Answers

Answer:

light-weightiness, durability

Explanation:

Titanium is chemical element with symbol Ti and the atomic number of the element is 22.

Titanium is a transition metal with silver lusture. It possess low density, and high strength and also high tensile strength. Titanium is also resistant to corrosion in sea water.

Titanium is used in many sporting goods like tennis rackets, hockey, etc. Wheelchairs and the tennis rackets are better when they are lightweight, without being detracting from their quality.

Its durability, malleability, etc the basic properties of metals

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