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muminat
3 years ago
15

A dozen is a counting unit that refers to 12 and a pair is a counting unit that refers to

Chemistry
1 answer:
seraphim [82]3 years ago
8 0

Answer: 1 mol contains 6.02214076×1023 of the specified particles

Explanation:

Usually its easier to work with moles using grams of what you are counting for example: 1 mole of carbon is equal to 12 grams 1 mole of oxygen is equal to approximately 16 grams and so on.

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How many atoms are there in 15.0 grams of Sulfur (S)?
aev [14]

Answer:

C

Explanation:

Mol x Avogadro's number

Mol : mass / molar mass

Avogadro's no: 6.02E+23

6 0
3 years ago
Will mark brainliest
ikadub [295]
Answer:

a. Heterogeneous
b. Homogeneous
c. Homogeneous
d. Heterogeneous
e. Heterogeneous

Explanation:

A heterogeneous mixture is a mixture in which you can see multiple different ingredients in, for example vegetable soup, tea with ice and lemon slices, or fruit salad.

A homogeneous mixture is a mixture in which you can only see one thing, for example tea, seawater, or milk.
8 0
3 years ago
7. (04wP2-5)Elements with atomic number 21 to 30 are d-block elements.
Katyanochek1 [597]

Answer :

  • (a) zn

Explanation:

  • (b) a ligand is an ion or molecule that binds to the central metal atom to form a cordinate complex.
  • (c)
<h3> above</h3>

3 0
3 years ago
Why was it so important that the scientist investigating the atom be young and unattached to existing scientific thinking
tatiyna

Answer:

so they can find the aswer and not get hurt

Explanation:

7 0
2 years ago
How does the reactivity of nonmetals change as you move from left to right across the periodic table?
Rudiy27

Answer:

Metallic character refers to the level of reactivity of a metal. Non-metallic character relates to the tendency to accept electrons during chemical reactions. Metallic tendency increases going down a group. Non-metallic tendency increases going from left to right across the periodic table.

Explanation:

I hope this helps :)

4 0
3 years ago
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