18
Explanation:
The family number 18 consists of a pool of elements that are less likely to enter into chemical reactions. They are called noble gases or inert gases.
They do not react with other elements.
These elements are:
Helium
Neon
Argon
Krypton
Xenon
Radon
- inert gases do not react because their outermost shell is completely filled.
- most elements combines in order to fill their outermost shell completely
- for noble gases, this is completely done already
- all atoms on the periodic table tends to mimic them when they go into chemical reactions.
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Noble gas brainly.com/question/1781595
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Answer:
Sound travels as waves of energy, but, unlike light, the waves transmit energy by ... You can think of it like a tiny air explosion that travels outward around the thing ... If you drop a marble into a bucket of water, you will be able to see the ripples ... it sounds funny because the water is carrying the sound wave instead of air.
Explanation:
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Answer:
Strong linkages, called covalent bonds, hold together the hydrogen white and oxygen red atoms of individual H2O molecules. Covalent bonds occur when two atoms, in this case oxygen and hydrogen share electrons with each other
Explanation: