Answer:
<h2>
total no. of electron present in Valency shell is called valency electron </h2><h2>___________________</h2>
<h2>valency shell is that in which last electron is present</h2>
So the answer is Jesus I hope this helps on your test or quiz! ☮️ peace ☮️
the number of protons and the number of neutrons determine an element's mass number. :D
Answer:
Are sessile, have tentacles, mouths open downwards
Explanation:
Medusae may have many tentacles with which they catch their prey. Sometimes, people bathing in the ocean are touched by a medusa. Their tentacles are long and thin and covered in venomous stinging cells (known as nematocysts). They inject poison which immobilizes small fish. People who are stung should seek medical attention. There have been some deaths after severe medusa stings.
Answer:
C: Atoms of the same element that have similar chemical properties but have different numbers of neutrons
<u><em>Could I please have BRAINLIEST.</em></u>
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