nurfatinfarhana06 nurfatinfarhana06

11-07-2021
Biology

contestada

a) explain covalent bond and hydrogen bond with an example of each (4marks)
b)state three(s) importance of surface tension and example( 6marks)

Respuesta :

ajjukc2468 ajjukc2468

21-07-2021

Answer:

Covalent bond is a primary chemical bond formed by the sharing of electron pairs. Covalent bonds are strong bonds with greater bond energy. Hydrogen bond is a weak electrostatic attraction between the hydrogen and an electronegative atom

Answer Link

Otras preguntas

30/36 reduced to simplest form

Suppose that a wave has a period of 0.03 second. What’s its frequency?

When the external pressure is 450 kpa, what is the vapor pressure of water at its boiling point?

While the cookies were cooling, a kitchen assistant knocked over a cooling rack and spilled 1 2 % percent of the cookies onto the floor. Francois had to bake

Octagon ABCDEFGH and its dilation, octagon A'B'C'D'E'F'G'H', are shown on the coordinate plane below: If the center of dilation is at the origin, by what scale

Noelle has set a goal to run more than 50 mi this month. So far, she has run 10 mi. Her average running speed is 5 mph. Let h represent the number of hours N

What is the value of the 12th term in the sequence 4, 12, 36, 108, ...? 708,588 2,125764 236,196 12,582,912

After staring at a blue light for a few minutes, yoko shifts her gaze to a white wall and experiences an afterimage in the color _____. yoko's experience provid

what are the answer to these 5 questions this worth 20 points btw

A rocket-propelled plane obtained an altitude of 79,452 feet. what would be a reasonable estimate for the altitude the plane reached?