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Sunny_sXe [5.5K]
3 years ago
14

Why do different materials have similar properties

Chemistry
2 answers:
NeTakaya3 years ago
8 0
There’s a difference in the number of protons and neutrons in atoms for many of the different properties of elements
Deffense [45]3 years ago
7 0

Answer:

The difference in the number of protons and neutrons in atoms account for many of the different properties of elements.

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Why does a beta particle have an atomic number of -1
Fudgin [204]
I cant entirely tell for now but an article on rodioactivity should solve the problem
6 0
3 years ago
What is the percent composition of phosphoric acid H3PO4
Agata [3.3K]
Hey there!:

Molar mass H3PO4 = <span>97.9952 g/mol

Atomic Masses :

H = </span><span>1.00794 a.m.u

</span>P = <span>30.973762 a.m.u

</span>O =  15.9994 a.m.u<span>

H % =  [ ( 1.00794 * 3 ) / </span> 97.9952  ]  * 100

H% = <span>3.0857 %

P % = [ ( </span>30.973762 * 1 ) / 97.9952 ] * 100

P% = <span>31.6074 %

O % = [ ( </span>15.9994 * 4 ) / 97.9952 ] * 100

O% = <span>65.3069 %


Hope this helps!</span>
5 0
3 years ago
Identify the acid and conjugate base pair in the following equation:
Serjik [45]

Answer:

hola no ablo inalgun moderador puede acabar a este otro este me borró respuesta que no debió borrar

7 0
2 years ago
How many atoms of magnesium metal are needed to produce 3.87 moles of magnesium oxide
Ket [755]

Answer:

48.42g of Mg

Explanation:

4 0
2 years ago
Read 2 more answers
potassium and chlorine react to form potassium chloride. a.it is a redox reaction,explain why. b.see if u can write a balanced e
Elan Coil [88]

Answer:

<em>K</em><em>+</em><em>Cl</em><em /><em>KCl</em>

Explanation:

because the reaction is between metal Potassium and Non-metal Chlorine

8 0
3 years ago
Read 2 more answers
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