Answer:
options B,C and E are correct conditions for forming hydrogen bonds.
Explanation:
In order for particles to stick together or shows certain characteristics, there must be a bond of attractions that is making them to be able to stay together. Some of these attractions are strong while some are weak. The kind of attraction that is being considered in this question is the hydrogen bonding which is considered as part of the weak forces of attractions.
In order for hydrogen bonds to occur, there must be hydrogen atoms [option B is correct] and a much more electronegative elements such as oxygen, Fluorine and Nitrogen. Hence, option C is correct.
Since the Fluorine or oxygen or nitrogen have much more electronegative properties than hydrogen, it causes a partial negative charge on Fluorine or oxygen or nitrogen and a partial positive charge on the Hydrogen. Thus, option E is correct.
Answer:
Gravity is viewed as a force because it is a force. A force F is something that makes objects of mass m accelerate according to F=ma. ... Einstein explained this gravitational force, F=GMm/r2, as a consequence of the curved spacetime around the massive objects.
Explanation:
Gravity is viewed as a force because it is a force. A force F is something that makes objects of mass m accelerate according to F=ma. ... Einstein explained this gravitational force, F=GMm/r2, as a consequence of the curved spacetime around the massive objects.
The nucleus of an atom is made up of <u>protons and neutrons</u> (two types of baryons) joined by the nuclear force.
Answer:
C
Explanation:
The ozone layer absorbs ultraviolet rays from the sun.
