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fenix001 [56]
3 years ago
12

A(n) _____ is a material that contains only one kind of atom

Chemistry
1 answer:
Alenkinab [10]3 years ago
4 0
"only one kind of atom" as in only one element, right?
That would be a diatomic molecule.
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3. Why do you think the image of the pencil inside the beaker of water is different than the pencil
tia_tia [17]

Answer:

the water.

Explanation:

well the water makes things look larger than due to ( the surface of a water drop curves outwards to make a dome. this outward or convex, curature light rays inward. the result is an enlarge ment image on the eye. / makes it look larger) + more mass.

6 0
3 years ago
How many protons, neutrons, and electrons are present in an atom of zinc, Zn, with a mass
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Location the element zinc (Zn) on the periodic table:
Group number : 12
Period number : 4
Block : d block
Element : Transition elements.
Part 2:
Protons in an atom of Zn: 30
Part 3:
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Part 4 :
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3 years ago
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marshall27 [118]

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6 0
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Which form of opera was performed without elaborate costumes, scenery, or acting?
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3 0
3 years ago
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Aluminum foil is often incorrectly termed tin foil. If the density of tin is 7.28g/cm³,what is the thickness of a piece of tin f
leonid [27]

Answer:

15.0 µm

Step-by-step explanation:

Density = mass/volume

        D = m/V     Multiply each side by V

      DV = m        Divide each side by D

        V = m/D

Data:

m = 1.091 g

D = 7.28 g/cm³

 l = 10.0 cm

w = 10.0 cm

Calculation:

<em>(a) Volume of foil </em>

V = 1.091 g  × (1 cm³/7.28 g)

  = 0.1499 cm³

(b) <em>Thickness of foil </em>

The foil is a rectangular solid.

V  = lwh                            Divide each side by lw

h = V/(lw)

   = 0.1499/(10 × 10)

   = 1.50 × 10⁻³ cm           Convert to millimetres

   = 0.015 mm                  Convert to micrometres

   = 15.0 µm

The foil is 15.0 µm thick.

4 0
3 years ago
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