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Questions and Answers
Which group of elements is always found combined with nonmetals in nature?
Which group of elements is always found combined with nonmetals in nature?
- Transition Metals
- Halogens
- Alkaline Earth Metals (correct)
- Alkali Metals
What is the principal electron shell designated by the Principal Quantum Number (n)?
What is the principal electron shell designated by the Principal Quantum Number (n)?
- halogens
- alkali metals
- noble gases
- ground state (correct)
Which element makes up over ¾ of the atmosphere?
Which element makes up over ¾ of the atmosphere?
- oxygen
- hydrogen
- carbon
- nitrogen (correct)
Who proposed that an electron can also be thought of as a wave?
Who proposed that an electron can also be thought of as a wave?
What type of gases are the elements in Group 18 (Noble Gases)?
What type of gases are the elements in Group 18 (Noble Gases)?
Which scientist is recognized as the 'father' of the Periodic Table?
Which scientist is recognized as the 'father' of the Periodic Table?
According to the text, which group of elements does Dmitiri Ivonovich Mendeleev belong to?
According to the text, which group of elements does Dmitiri Ivonovich Mendeleev belong to?
True or False: Non-metals are considered as one of the good conductors of heat and electricity.
True or False: Non-metals are considered as one of the good conductors of heat and electricity.
Which group of elements includes the Transition Elements according to the text?
Which group of elements includes the Transition Elements according to the text?
True or False: Metalloids have properties of both metals and non-metals.
True or False: Metalloids have properties of both metals and non-metals.
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