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Likurg_2 [28]
3 years ago
10

Element Name: Oxygen,

Chemistry
1 answer:
White raven [17]3 years ago
8 0

Answer:

Element Name: Oxygen

Symbol: O

What is the Mass: 15.999 u

Protons: 8

Neutrons:10

Electrons: 8

Ion or Isotope: Oxide

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Zinc blende, or sphalerite, can be described as having a face-centered cubic unit cell with sulfur atoms at each lattice point a
g100num [7]

Answer:

ZnS  

Explanation:

1. Number of Zn atoms

4 internal atoms = 4 Zn atoms

2. Number of S atoms

8 corners × ⅛ S atom/corner + 6 faces × ½ S atom/face = 1 S atom + 3 S atoms = 4 S atoms

3. Empirical formula

The atomic ratio is

4Zn:4S = 1Zn:1S

The empirical formula is ZnS.

7 0
3 years ago
A patient is prescribed 100mg/day of antibiotic for 2 weeks. The antibiotic is available in vials that contain 20mg/vial of the
Nimfa-mama [501]
I have no idea, but i’m pretty sure you gotta divide
4 0
2 years ago
Graphic organizer: Use the terms in the word bank to complete the graphic organizer below
Valentin [98]

Answer:

1. Chemical reactions

2.Substances

3. Properties

4. Precipitate

5. Light

6. Temperature

7. Color

8. Gas

Explanation:

Chemical reactions are known to produce new substances which have new properties. During the chemical reactions, evidences that are seen are formation of precipitate or light gel, production of gas and change in temperature and color.

Chemical reactions occur when chemical substances come together to react because those substances are compatible with each other.

7 0
3 years ago
In Chile, the deepest earthquake occurred at 61.7°W longitude at a depth of 540 km. If the rocks at the focus began subducting 1
victus00 [196]

The correct answer is - 1 cm/yr.

Alongside the western coast of South America, the Nazca plate and the South American plate are in a collision for several million years now, with the Nazca plate being the one that is subducting in this convergent plate boundary.

If the Nazca plate's focus has moved 1,000 km in the last 10 million years, than in order to get to the annual movement of the subduction we need to convert the km into cm first:

1 km = 10,000 cm

1,000 x 10,000 = 10,000,000

1,000 km = 10,000,000 cm

Than we need to divide the number of cm with the number of years:

10,000,000 / 10,000,000 = 1

And we get the result of 1 cm/yr.

5 0
3 years ago
What is the net ionic equation for Mg(OH)2 + HCl > MgCl2 + H2O?
Anna35 [415]

Mg^2+ + 2Cl^- -> MgCl2

6 0
3 years ago
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