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3 years ago

How is an ionic formed between two atoms

2 answers:

6 0

An ionic bond is formed when the two atoms, metal and nonmetal, share the elections in the outermost orbital. Basically the metals gives up its outermost electron to the nonmetal to make the nonmetal have a full outer shell or ,in other words, to make it happy

xxTIMURxx [149]3 years ago

3 0

It's called an iconic bond

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What pressure (in kilopascals) is exerted by 4.20 moles of Xenon gas in a 15.0 L container at 280.0 K?

aniked [119]

Answer: the pressure exerted by the gas is 652 x 10^3 Pa, which corresponds to 652 kPa

Explanation:

The question requires us to calculate the pressure, in kPa, connsidering the following information:

<em>number of moles = n = 4.20mol</em>

<em>volume of gas = V = 15.0L</em>

<em>temperature of gas = T = 280.0 K</em>

We can use the equation of ideal gases to calculate the pressure of the gas, as shown by the rearranged equation below:

$PV=nRT\rightarrow P=\frac{nRT}{V}$

Since the volume was given in L and the question requires us to calculate the pressure in kPa, we can use R in units of L.Pa/K.mol:

Applying the values given by the question to the rearranged equation above, we'll have:

$\begin{gathered} P=\frac{nRT}{V} \\ \\ P=\frac{(4.20mol)\times(8314.46L.Pa/K.mol)\times(280.0K)}{(15.0L)}=652\times10^3Pa \end{gathered}$

Therefore, the pressure exerted by the gas is 652 x 10^3 Pa, which corresponds to 652 kPa.

8 0

1 year ago

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drek231 [11]

Answer:

Atom is a particle that defines a chemical element, and is normally surrounded by 2 electrons.

Also, how do you that font ?

5 0

3 years ago

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When H+ forms a Bond with H2O to form the Hydronium ion H3 plus this bond is called a coordinate covalent bond because

NISA [10]

Answer:

Because both the bonding electrons come from the oxygen atom. Explanation: A coordinate covalent bond is formed when both the bonding electrons are coming from the same atom

Explanation:

7 0

3 years ago

Period 6 is unusual in several ways.(a) It is the longest period in the table. How many elements belong to Period 6? How many me

Nookie1986 [14]

Period 6 is unusual in several ways.

Lanthanum (La), hafnium (Hf), tantalum (Ta), tungsten (W), rhenium (Re), osmium (Os), iridium (Ir), platinum (Pt), gold (Au), and mercury are the period 6 transition metals (Hg).

<h3>Why Period 6 is unusual ?</h3>

The group of fifteen metallic chemical elements with atomic numbers 57 through 71, from lanthanum to lutetium, is known as the lanthanide or lanthanoid series (IUPAC nomenclature).

The phrase "rare-earth elements" refers to these fifteen elements as well as the chemically related elements scandium and yttrium.

Because it comprises a maximum of 32 elements, the sixth period is referred to be the longest period.

The nonmetals oxygen (O), sulfur (S), and selenium (Se), as well as the metalloid tellurium ( Te ) and the metal polonium, are classified as chalcogens in group 6A (or VIA) of the periodic table (Po).

The periodic table has a group of elements designated as Group 6 in IUPAC style. Chromium, molybdenum, tungsten, and sea-borgium are its constituent elements. While chromium, molybdenum, and tungsten are refractory metals, all of these are transition metals.

To know more about Periodic table please click here : brainly.com/question/15987580

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5 0

2 years ago

which of the following is not part of the big bang theory?A. In the beginning the universe was too hot for atoms to exist. B. As

erastovalidia [21]

A.) In the beginning the universe was too hot for atoms to exist.

Because choice b,c,and d are all part of the big bang theory.

8 0

3 years ago

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