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grandymaker [24]
4 years ago
15

An atom of argon in the ground state tends not to bond with an atom of a different element because the argon atom has 1). More p

rotons than neutrons 2). More neutrons than protons. 3) a total of 2 valence electrons. 4). A total of 8?valence electrons
Chemistry
2 answers:
Gelneren [198K]4 years ago
7 0

Answer:

The correct answer is 4). A total of 8?valence electrons

Explanation:

The argon corresponds to a noble or inert gas, like Helium, and has its complete octet in the last layer.

Gnesinka [82]4 years ago
6 0

Answer:

4. A total of 8 valence electrons

Explanation:

All atom in their ground state is at the actual state of electronic configuration. Argon has 18 number of electrons therefore, representing the electronic configuration using the Spdf  rule is 1s²2s²2p6 3s²3p6 and also the configuration of argon is computed as 2 8 8 . The argon atom has fulfilled the octet rule . The valence/outer electron(8) is fully filled and therefore find it hard to give or accept any electron to form bonding.  

Elements with fully filled octet configuration are known as inert gas or noble gas because they rarely bond with other atom of elements.

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Which statement explains the energy term in this reaction
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Answer:

Mass is lost due to the conversion of mass to energy

Explanation:

The question is not complete, the complete question is given as:

        ^{235}_{72}U +^{1}_{0}n                       ⇒        ^{140}_{56}Ba+^{93}_{36}Kr+3^{1}_{0}n+energy

total mass equals 236.053 u              total mass equals 235.868 u

Which statement explains the energy term in this reaction? (1) Mass is gained due to the conversion of mass to energy. (2) Mass is gained due to the conversion of energy to mass. (3) Mass is lost due to the conversion of mass to energy. (4) Mass is lost due to the conversion of energy to mass.

Answer: From Einstein’s equation  E = mc², when a radioisotope element undergoes fission or fusion in a nuclear reaction, it loses a tiny amount of mass.This mass lost is converted to energy.

The law of conservation of energy  holds for this type of reaction (i.e  the sum of mass and energy is remains the same in a nuclear reaction). Mass changes to energy, but the total amount of mass and energy combined remains the same before and after a nuclear reaction.

From the reaction above, the total decrease in mass = 236.053 - 235.868 = 0.185 u

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3 years ago
I WILL GIVE BRAINLIEST TO BEST AND MOST THOROUGH ANSWER!
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Convert the following mole of ratio of elements to empirical formula 2.0 mol of Fe and 2.66 mol of O
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3 years ago
If 156 grams of chromium react with an excess of oxygen, as shown in the balanced chemical equation below, how many grams of chr
Sunny_sXe [5.5K]

Answer:

=759.95 grams.

Explanation:

The molar mass of chromium is 51.9961 g/mol

Therefore the number of moles of chromium in 156 grams is:

Number of moles =mass/RAM

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Thus 1.5 moles= 1.5mole ×151.99 g/mol

=759.95 grams.

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3 years ago
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