Answer:
The correct answer is A. An ionic compound
Explanation:
Sodium (metal) and chlorine (nonmetal) form an ionic bond to each other, forming the NaCl (sodium chloride) molecule. Sodium transfers an electron to chlorine, which is missing an electron to complete the octet rule.
Answer:
The correct answer is - Trains can have inconvenient schedules, but produce less pollution than cars do.
Explanation:
Trains are expensive to build and also required land for making routes and stations and platforms for passengers but that can be reimbursed by fare in a longer time period.
Trains also produce pollution but in comparison to cars these are way less contribute to the pollution, However, these are not convenient as they start and reach at a specific time and also sometimes not comfortable like cars.
Answer: c. If you cut an onion near a person, then his/her eyes will always begin to produce tears
Explanation:
a hydrophilic molecule can be dissolved in a water solution, but a(n) hydrophobic molecule does not mix with water.
