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2 years ago

11

An atom is neutral because it has the same number of electrons as it has????????????????????????????????????????????????????????

???

2 answers:

katen-ka-za [31]2 years ago

8 0

Answer:

protons

Explanation:

the protons and electrons of an element are the same amount however the neutrons are a different amount

Eduardwww [97]2 years ago

5 0

Answer is protrons
Equal number of electrons and protrons makes it neutral

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Which one of the following statements is correct.

k0ka [10]

B. electrons have a negative electrical charge

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3 years ago

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When sodium metal is treated with water we get gas which is absorbed by palladium metal is ?<br>

Scilla [17]

that gas is called hydrogen gas

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4 years ago

2. What mass of sodium chloride is produced when chlorine gas reacts with 2.29 grams of sodium iodide? The unbalanced equation i

Damm [24]

Answer:

0.88g

Explanation:

The reaction equation:

2NaI + Cl₂ → 2NaCl + I₂

Given parameters:

Mass of Sodium iodide = 2.29g

Unknown:

Mass of NaCl = ?

Solution:

To solve this problem, we work from the known to the unknown.

First find the number of NaI from the mass given;

Number of moles = $\frac{mass}{molar mass}$

Molar mass of NaI = 23 + 126.9 = 149.9g/mol

Now insert the parameters and solve;

Number of moles = $\frac{2.29}{149.9}$ = 0.015mol

So;

From the balanced reaction equation;

2 moles of NaI produced 2 moles of NaCl

0.015mole of NaI will produce 0.015mole of NaCl

Therefore;

Mass = number of moles x molar mass

Molar mass of NaCl = 23 + 35.5 = 58.5g/mol

Now;

Mass of NaCl = 0.015 x 58.5 = 0.88g

8 0

3 years ago

According to the following reaction, how many moles of carbon dioxide will be formed upon the complete reaction of 28.6 grams of

Musya8 [376]

Explanation:

We have 2CO + O2 => 2CO2.

Moles of CO = 28.6g / (28g/mol) = 1.021mol.

Moles of CO2 = Moles of CO = 1.021mol.

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3 years ago

Which statement is correct? Group of answer choices none of these H2O is linear. The bonds in LiF have a more covalent character

Sergio [31]

Answer: The statement molecule $ClO_{2}$ cannot be accurately described by a Lewis structure consistent with the octet rule, is true.

Explanation:

As the chemical formula of water is $H_{2}O$ and since it contains electronegative oxygen atom which also has 2 lone pair of electrons. Hence, lone pair-bond pair repulsion occurs due to which water has a bent shape structure.

The compound LiF contains metal lithium and non-metal fluorine. In order to obtain stability lithium donates its valence electron to the fluorine atom leading to the formation of an ionic bond. Hence, LiF is an ionic compound and not a covalent compound.

Generally, ionic compounds are polar in nature. For example, KOH is a polar compound and $Cl_{2}$ is a non-polar compound.

Thus, we can conclude that the statement molecule $ClO_{2}$ cannot be accurately described by a Lewis structure consistent with the octet rule, is true.

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3 years ago