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1 year ago

Which has a higher ionization energy: chlorine (Cl) or magnesium (Mg)? Why? Select the best answer

1 answer:

3 0

Removal of the loosely bounded electron is defined by the ionization energy. Chlorine needs less energy to add electrons and has higher ionization power. Thus, option A is correct.

<h3>What is ionization energy?</h3>

The ability of an electron to accept or give electrons to another element in a chemical reaction by forming and creating bonds and the positive and negative charges has been defined by the ionization energy.

Magnesium has lower ionization energy than chlorine due to its large size and smaller nuclear charge. On the other hand, chlorine can easily add electrons to the valence shell which is almost full.

Therefore, option A. chlorine has higher ionization energy and can add electrons with minimum energy.

Learn more about ionization energy here:

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How many mm are equal to 21 L. How many mg are equal to 9 g. How many grams are equal to 400 kg

liberstina [14]

<span>How many mm are equal to 21 L?

1 L = </span>1000000 mm

Convert:-

1000000 × 21 = <span>21000000

21 l = </span><span>21000000 mm

</span><span>How many mg are equal to 9 g?

1 g = 1000 mg

Convert:-

9 </span>× 1000 = 9000

9 g = 9000 mg

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3 years ago

In a car engine gasoline is burning to create mechanical energy which of the following statements is true? A. Some energy is los

Anvisha [2.4K]

Answer:

Some energy is lost as heat

Explanation:

It is correct to say that as the gasoline is converted to mechanical energy in the automobile engine, some of the energy is lost as heat.

Heat energy is on of the ways energy is lost in any system. The movement of mechanical parts and even the combustion of the gasoline produces heat energy.

These energy are usually lost to the environment.

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2 years ago

A scientist wants to make a solution of tribasic sodium phosphate, Na3PO4, for a laboratory experiment. How many grams of Na3PO4

balu736 [363]

Answer:

51.53 grams .

Explanation:

Na₃PO₄ ⇄ 3Na⁺¹ + PO₄⁻³ .

1 mole 3 mole

725 mL of 1.3 M Na⁺ ions

= .725 x 1.3 moles of Na⁺ ions

= .9425 moles

3 mole of Na⁺ is formed by 1 mole of Na₃PO₄

.9425 mole of Na⁺ is formed by .9425/3 mole of Na₃PO₄

Na₃PO₄ needed = .9425/3 moles = .3142 moles

Molecular weight of Na₃PO₄ = 164

grams of Na₃PO₄ needed = .3142 x 164 = 51.53 grams .

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2 years ago

The element californium (cf) sells for $1000 per µg. assuming 6.02 x 1023 atoms of cf have a mass of 251 grams, how many atoms o

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Answer:- $2.40*10^1^0atoms$

Solution:- It is a simple unit conversion problem. We could solve this using dimensional analysis.

We know that, 1 US dollar = 100 cents

1 cent = 1 US penny

So, 1 US dollar = 100 US pennies

$1g=10^6\mu g$

Let's make the set up starting with 1 penny as:

$1penny(\frac{$1}{100pennies})(\frac{1\mu g}{$1000})(\frac{1g}{10^6\mu g})(\frac{6.02*10^2^3atoms}{251g})$

= $2.40*10^1^0atoms$

Therefore, we can bye $2.40*10^1^0atoms$ of Cf in one US penny.

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3 years ago

What is the function of the cell membrane

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It is supposed to protect the cell from it's surroundings, or from the outside.

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