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schepotkina [342]
3 years ago
7

The formula for bismuth(III) arsenide is..?

Chemistry
1 answer:
vlabodo [156]3 years ago
6 0

Answer:

BiAs

Explanation:

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What information is given in a chemical formula?
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The type of atoms present in the chemical compound and the proportion or how many specific atoms are respect to other atoms in the chemical compound.
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Cual es la identidad de hierro?
Kaylis [27]

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4. Using your knowledge of elements, compounds
igor_vitrenko [27]

Answer:

Element

magnesium, hydrogen, chlorine, sulfur

Compound

water, iron oxide

Mixture

air, salty water , dias cola.

Explanation:

Element is made up of only one type of atom and are relresented by symbols.

Compound are formed by chemical mixing of atoms of elements and have a chemical formula

Mixture are formed by simple mixing up of substances and mixture don't have chemical formula.

4 0
2 years ago
How many lead (Pb) atoms are in a 5.32 g sample of pure lead?
Elanso [62]

Answer:

1.55×10²² molecules.

Explanation:

We'll begin by calculating the number of mole in 5.32 g of pure lead (Pb). This can be obtained as follow:

Mass of Pb = 5.32 g

Molar mass of Pb = 207 g/mol

Mole of Pb =?

Mole = mass /molar mass

Mole of Pb = 5.32/207

Mole of Pb = 0.0257 mole

Finally, we shall determine the number of molecules in 0.0257 mole of Pb. This can be obtained as follow:

From Avogadro's hypothesis,

I mole of Pb contains 6.02×10²³ molecules.

Therefore, 0.0257 mole will contain = 0.0257 × 6.02×10²³ = 1.55×10²² molecules.

Therefore, 5.32 g of pure lead (Pb) contains 1.55×10²² molecules.

4 0
3 years ago
Is my answer right?
Ahat [919]
Yes the answer is 1s22s22p63s23p64s23d5
7 0
3 years ago
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