
Second Periodical Test in Science
Quiz by Rica C. Valentos
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5 questions
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- Q1What is the name given to the electrons in the highest occupied energy level of an atom?valence electronsanionsorbital electronscations30s
- Q2How does calcium obey the octet rule when reacting to form compounds?It gives up electronsCalcium does not obey then octet rule.It does not change its number of electrons.It gains electrons.30s
- Q3Which of these elements does not exist as a diatomic molecule?INeHF30s
- Q4How many valence electrons are transferred from the nitrogen atom to potassium in the formation of the compound potassium nitride?120330s
- Q5Which of the following elements can form diatomic molecules held together by triple covalent bonds?nitrogenoxygencarbonfluorine30s