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FREE PHYSICAL SCIENCE AND STUDY GAMES ABOUT
PHYSICAL SCIENCE 8TH EXAM QUESTIONS
Qs and Ans Expert- Explanation
This Exam contains:
-Guarantee passing score -17 Questions and Answers -format set of multiple-choice -Expert- Explanation Question 1: What do you call ionic compounds bonded in a three-dimensional pattern?
Answer:
Crystal lattice Question 2: The properties of ductility and malleability are associated with which type of bonds?
Answer:
metallic
Question 3: What two atoms can form an ionic bond?
Answer:
potassium adn fluorine
Question 4: What type of bond would form with zinc and zinc?
Answer:
metallic
Question 5: What type of bond would form with oxygen and nitrogen?
Answer:
covelant
Question 6: What is a bond that is formed when atoms share electrons?
Answer:
Covalent Bond
Question 7: What is an electron in the outermost energy level of an atom?
Answer:
Valence electron Question 8: What are electons free to move throughout a material associated with?
Answer:
Metallic Bond Question 9: Why is an iron ion attracted to a sulfide ion but not to a zinc ion?
Answer:
Iron is metal and Sulfide is not, opposites attract.Question 10: Which element has a full outermost energy level containing only two electrons, fluorine, helium, hydrogen, or oxygen?
Answer:
helium
Question 11: What are two properties of covalent compounds?
Answer:
low melting points and they are brittle
Question 12: What type of bond would form with phosphorus and oxygen?
Answer:
covelant
Question 13: What happens when an atom becomes an ion with a 2- charge?
Answer:
the atom gains 2 electrons
Question 14: What type of element tends to lose electrons when it forms bonds?
Answer:
metal Question 15: What is a charged particle that forms when an atom transfers electrons?
Answer:
ion
Question 16: What is an interaction that holds two atoms together?
Answer:
Chemical Bond
Question 17: What type of bond would form with magnesium and chlorine?
Answer:
ionic
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