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- 1. Multiple ChoiceHow many electrons can the first energy level hold?1280
- 2. Multiple ChoiceWhat is the maximum number of electrons in the second energy level?188322
- 3. Multiple ChoiceWhat are Valence electrons defined as ?as electrons in the atom's outermost orbitals.as electrons in the atom's innermost orbitals.
- 4. Multiple ChoiceWhat is electron configuration ?the arrangement of protons in an atom.the arrangement of electrons in an atom.
- 5. Multiple Choice
Identify the element with the electron arrangement 2,8,2
Neon
Sodium
Magnesium
Aluminium
- 6. Multiple Choice
Identify the element with the electron arrangement 2,8,8
Neon
Argon
Helium
Chlorine
- 7. Multiple Choice
Which element will form a positive ion with the electron arrangement 2,8 ?
Fluorine
Neon
Sodium
Lithium
- 8. Multiple Choice
Which element will form a negative ion with the electron arrangement 2,8 ?
Fluorine
Neon
Sodium
Lithium
- 9. Multiple Choice
Which element will form a positive ion of charge 2+ ?
Lithium
Magnesium
Sodium
Oxygen
- 10. Multiple Choice
NaCl consists of sodium ions ____ and chlorine ions _____
Na and Cl
Na+ and Cl+
Na+ and Cl-
Na- and Cl+
- 11. Multiple Choice
Element X has 7 valence electrons. Which group is it in?
1
2
7
8
- Answer choicesTagsAnswer choicesTags