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Neporo4naja [7]
3 years ago
14

In this type of bond, electrons are lost or gained by atoms, and the atoms are held together by electrical attraction.

Physics
1 answer:
expeople1 [14]3 years ago
8 0
<span>In Ionic type of bonding, electrons are lost (more protons than electrons and positive charge) or gained (more electrons than protons, still a negative charge) by atoms, and the atoms are held together by electrical attraction in the process. Covalent bondings are the sharing of electrons as well as partial bondings. Covalent bondings’ electrons have the same charges thus, there is no gaining or losing electrons in the process of sharing. Strong bondings are applicable only to Hydrogen (H) atoms. </span>
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What is the energy source of the convection cells in the earth's mantle?
stich3 [128]
A. Radioactive decay does not result in heat. Gravity also does not result in heat. In the Earth's mantle, it is highly unlikely that the radiation from the sun would reach that deep into the earth.
7 0
3 years ago
What is a lever and mention its types<br>​
Grace [21]

Answer:

Three different types of levers exist, depending on where the input force, fulcrum, and load are. A class 1 lever has the fulcrum between the input force and load. A class 2 lever has the load between the fulcrum and input force. A class 3 lever is a lever that has the input force in between the fulcrum and the load.

Explanation:

3 0
3 years ago
A system undergoing a power cycle develops a steady power output of 0.3 kW while receiving energy input by heat transfer at a ra
uranmaximum [27]

Answer:

The thermal efficiency is 43%.

The total amount of energy developed by work is 397 kW in one year.

Explanation:

Given that,

Power output = 0.3 kW

Heat energy = 2400 Btu/h = 0.703 kW

We need to calculate the thermal efficiency

Using formula of efficiency

\eta=\dfrac{out-put}{in-put}

Put the value into the formula

\eta=\dfrac{0.3}{0.703}

\eta=0.43\times100

\eta=43\%

The thermal efficiency is 43%.

(b). We need to calculate the total amount of energy

Using formula of energy

E=0.43\times0.703\times60\times60\times365

E=397209.06\ J

E=397\ kW

Hence, The thermal efficiency is 43%.

The total amount of energy developed by work is 397 kW in one year.

4 0
4 years ago
What is the net force on a 2 kg skateboard acceleration at a rate of 2 m/s2
irga5000 [103]
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6 0
4 years ago
You watch distant Sally Homemaker driving nails into a front porch at a regular rate of 1 stroke per second. You hear the sound
san4es73 [151]

Answer:

d = 343 m

Explanation:

As we know that the speed of sound in air is given as

v = 343 m/s

now the rate of strike is 1 stroke per second

so distance is given as

d = v t

now we will have

t = 1 s

d = 343 \times 1

so the distance is given as

d = 343 m

5 0
3 years ago
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