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Oksanka [162]
3 years ago
5

What is a similarity between ionic, covalent, and metallic bonds?

Physics
1 answer:
Semenov [28]3 years ago
4 0
Ionic bond: it is also called "electrovalent bond". It is "a type of chemical bond that can often form between metal and non-metal ions through electrostatic attraction";

Covalent bond is a form of chemical bonding, "characterized by the sharing of pairs of electrons between atoms, or between atoms and other covalent bonds";

Metallic bond: "the chemical bond, which is characteristic of metals, in which mobile valence electrons are shared among atoms in a usually stable crystalline".
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A 2000 kg car slams on the brakes and slows down at a rate of -10 m/s2. How much force are the brakes applying?
Gemiola [76]

Answer:

-20,000N

Explanation:

Force (N) = mass (kg) x acceleration (m/s²)

So,

Force = 2000 x -10

= -20,000N (Newtons)

5 0
2 years ago
What are the major weather fronts? How do they differ from each other?
dmitriy555 [2]

Answer:

they differ each other bc it is a lot of with earth quakes and everything.

Explanation:

3 0
3 years ago
Arrange an 8-, 12-, and 16-Ω resistor in a combination that has a total resistance of 8.89 Ω pls with de work
kolezko [41]


20 ohms in parallel with 16 ohm= 8.89

20x16/20+16. Product over sum


8 0
3 years ago
The membrane that surrounds a certain type of living cell has a surface area of 4.7 x 10-9 m2 and a thickness of 1.3 x 10-8 m. A
vagabundo [1.1K]

Answer:

Q = 1.2*10⁻¹² C

Explanation:

  • For any capacitor, by definition the capacitance C is equal to the relationship between the charge on one of the conductors and the potential difference between them, as follows:

       C = \frac{Q}{V}  (1)

  • For the special case of a parallel plate capacitor, just by application of Gauss' law to a rectangular surface half out of the outer surface, and half inside it, it can be showed that the value of the capacitance C is a parameter defined only by geometric constants, as follows:

       C = \frac{\epsilon_{0}*\epsilon _{r} * A}{d}  (2)

  • So, due to the left sides in (1) and (2) are equal each other, right sides must be equal too.
  • Replacing ε₀, εr (dielectric constant), A, d and V by their values, we can solve for Q, as follows:

       Q =\frac{\epsilon_{0} * \epsilon_{r} *A* V}{d} = \frac{(8.85*(4.7)^{2}*79.5)e-24 (F/m*m2*V)}{1.3e-8m} =  1.2e-12 C = 1.2 pC  (3)

6 0
3 years ago
Please help with the chart.
eimsori [14]
Unicellular: An organism that consists of a single cell

Multicellular: An organism with multiple cells

Eukaryotic: A cell that contains a nucleus

Prokaryotic: A cell with no nucleus

Autotrophic: An organism that has the ability to make their own food

Heterotrophic: Organism that cannot create their own food

Asexual reproduction: When an organism has the ability to create offspring without the help of another organism

Sexual Reproduction: When two organisms create an offspring using the gametes
8 0
3 years ago
Read 2 more answers
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