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4 years ago

Write two key facts about covalent bondsc

Physics

1 answer:

Lelechka [254]4 years ago

5 0

Explanation:

Covalent bonds:

They are bonds that are formed by atoms that shares their valence electrons.
They are formed by atoms with very low electronegativity difference.
It is usually a bond between non-metals.

Covalent bonds are bonds formed when two atoms jointly shared their valence electrons in order to form a bond.

For the formation of this bond type, each of the atom requires odd or unpaired electrons.

To form a covalent bond, each of the two participating atoms would put down an unpaired electron to be used in forming a shared pair of electrons between them.

Learn more:

Covalent bonds brainly.com/question/6029316

#learnwithBrainly

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The amount of energy in food is measured in

mr Goodwill [35]

The amount of energy in food is measured in calories.
Wats and kilowatts are units for electricity. Grams are a unit of mass.

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3 years ago

Conduction is the movement of heat energy because of

Ira Lisetskai [31]

Answer:

Conduction occurs when a substance is heated, particles will gain more energy, and vibrate more. These molecules then bump into nearby particles and transfer some of their energy to them. This then continues and passes the energy from the hot end down to the colder end of the substance.

Explanation:

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3 years ago

Read 2 more answers

A tiger leaps with a horizontal speed of 4.5 m/s from a boulder and lands 15 meters away.What is the vertical velocity with whic

Gelneren [198K]

Answer:

v_oy = 16.33 m/s

Explanation:

To find the vertical velocity of the tiger, you use the information about the horizontal velocity and maximum horizontal distance traveled.

You use the following formula for the range of the trajectory:

$x_{max}=\frac{2v_{ox}v_{oy}}{g}$ ( 1 )

v_ox: horizontal initial velocity = 4.5m/s

v_oy: vertical initial velocity = ?

g: gravitational acceleration = 9.8m/s^2

x_max: range of the trajectory = 15 m

You do v_oy the subject of the formula ( 1 ) and you replace the values of the other parameters in order to calculate v_oy:

$v_{oy}=\frac{gx_{max}}{2v_{ox}}=\frac{(9.8m/s^2)(15m)}{2(4.5m/s)}\\\\v_{oy}=16.33\frac{m}{s}$

hence, the initial vertical velocity of the tiger is 16.33m/s

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3 years ago

If Maria lifts a mass of 10kg into a table of 1.25m high. How much gpe has the mass gained

SCORPION-xisa [38]

Answer:

gravitational potential energy of 10 kg mass is 122.625 J

Explanation:

Gravitational Potential energy gain is given as

$U = mgh$

here we know that

m = 10 kg

h = 1.25 m

now from above formula we have

$U = (10)(1.25)(9.81)$

$U = 122.625 J$

So gravitational potential energy of 10 kg mass is 122.625 J

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3 years ago

I will make u brainliest if ur right.

Sonja [21]

Properties to identify a mineral:

Color

Luster

Streak

Hardness

Cleavage

(There appears to be 8 things you need to fill in but I only know this much)

What will scratch Quartz:

Topaz

Corundum

Diamond

sorry I only knew a few of the answers, hope I still helped

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3 years ago