Answer:
Atoms can be joined together by chemical bonds.
Explanation:
When atoms form bonds, they can achieve a stable electron arrangement. To achieve a stable electron arrangement atoms can lose, gain or share electrons. There are many different types of bonds that hold atoms together.
<span>Velocity of boy with which it hits the ground is
v = √(2gH)
= √(2 × 10 m/s^2 × 3 m)
= √(60) m/s
Boy will not rebound.
So,
change in momentum = mv - 0
= Mass of boy × √(60) m/s
So the answer would be C – best estimate.</span>
Laser means Light Amplication by Stimulated Emission of Radiation.
Uses of laser
DNA sequencing instrument
Cutting and welding materials
Semiconducting chip manufacturing
Military devices
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Answer:
hey mate
Explanation:
here is ur answer in the attachment!
Answer:
7
Explanation:
A substance that is neither acidic nor basic is neutral. The pH scale measures how acidic or basic a substance is. The pH scale ranges from 0 to 14. A pH of 7 is neutral.