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Olegator [25]
3 years ago
14

Why aren’t two hydrogen atoms bonded together considered a compound?

Chemistry
1 answer:
Art [367]3 years ago
4 0

Answer:

A compound by definition contains at least 2 different kinds of atoms. A Hydrogen molecule contains only one kind of atom, 2 hydrogen atoms

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Which of the following electron configurations correspond to an excited state? Identify the atoms and write the full, ground sta
Aleksandr [31]
I think it’s 1s22s23p1 not sure doe
8 0
3 years ago
Reasoning you used to decide if something was made of molecules.​
sasho [114]

Answer:

Whether something is a molecule or not depends on the type of bond that is formed when its atoms join together. In general, electrons can be shared between atoms (a molecular bond) or electrons can be completely removed from one atom and given to another (an ionic bond). Molecules have molecular bonds.

6 0
3 years ago
guys please help me i've been struggling with this question all school day (what reaction is ___ Mg + ____ H₂SO₄ --> ____ H₂
love history [14]

Answer:

Single replacement reaction

Explanation:

It's already balanced so it would just be Mg + H2SO4 --> H2 + MgSO4

The formula for a single replacement reaction is

A + BC --> B + AC

A=Mg

B=H2

C=SO4

5 0
2 years ago
Sodium and water react according to the equation
elena55 [62]

2Na(s) + 2 H2O (liquid) -> 2 NaOH (aq) + H2 (g)


1) 2 reactants are given, so we have to find which of them is an excess reactant and which of them will react completely.

Convert gram of Na and H2O into moles.

M(Na) =23.0 g/mol

10.0 g Na*1 mol Na/23.0 g Na≈0.4349 mol Na


M(H2O) = 2*1.0 +16.0 = 18.0 g/mol

50.0 g H2O*1 mol H2O/18.0 g H2O =2.778 mol H2O


2Na(s) + 2 H2O (liquid) -> 2 NaOH (aq) + H2 (g)

from equation 2 mol 2 mol

given 0.4349 mol 2.778 mol


We can see that H2O is an excess reactant, so we are going to find amount of H2 using Na.


2)

2Na(s) + 2 H2O (liquid) -> 2 NaOH (aq) + H2 (g)

from equation 2 mol 1 mol

given 0.4349 mol x mol


x=(0.4349*1)/2 =0.21745 mol H2


3) mass of H2

0.21745 mol H2 * 2.0 g H2/1 mol ≈ 0.435 g H2


Answer : 0.435 g H2.


7 0
3 years ago
What is wrong with the name of the compound "iron chloride"?
Elanso [62]
Its A because there has to be a roman numeral to indicate which net charge of iron was used
4 0
3 years ago
Read 2 more answers
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