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- 1. Multiple Choice
Atomic number of sodium
12
13
11
14
- 2. Multiple Choice
Number of electrons in the outer most orbit of an atom is called
Valency
Valence electrons
Atomic number
None of the above
- 3. Multiple Choice
'Kernel' according to lewis is
Atom
Nucleus and outermost electrons
Nucleus and innermost electrons
Nucleus only
- 4. Multiple Choice
What charge would an aluminum ion have?
5+
3+
3-
5-
- 5. Multiple Choice
What is an ion with a positive (+) charge called?
anion
cation
molecule
salt
- 6. Multiple Choice
When an atom loses an electron, it becomes a:
positive ion
negative ion
neutral ion
neutral atom
- 7. Multiple Choice
Ionic bonds form between:
two metals
two nonmetals
metals and nonmetals
metalloids
- 8. Multiple Choice
Which types of elements typically become cations?
nonmetals
metals
- 9. Multiple Choice
When two atoms share electrons, a chemical bond is formed. This type of bond is called:
covalent bond
ionic bond
metallic bond
hydrogen bond
- 10. Multiple Choice
What types of atoms make a covalent bond?
two nonmetals
a metal and a nonmetal
two metals
two metalloids
- 11. Multiple Choice
How many double bonds are in a molecule of CO2?
Hint: draw a Lewis dot structure for the molecule.
1
2
3
none
- 12. Multiple Choice
Elements on the LEFT side of the periodic table will most likely form:Positive ionsNegative ionsNeutral IonsNone of these - 13. Multiple ChoiceWhat is the number of valence electrons for Oxygen?8621
- 14. Multiple ChoiceWhich element does this structure represent?LithiumHeliumScandiumFluorine
- 15. Multiple ChoiceWhat group does this element belong to?Group 1: Alkali metalsGroup 18: Noble GasesGroup 2: Alkaline-Earth MetalsGroup 17: Halogens
- 16. Multiple ChoiceWhat is the Name of this element?LithiumSiliconAluminumMagnesium
- 17. Multiple ChoiceDescribe this element.Highly reactive metalHighly reactive nonmetalStableLess stable non metal
- 18. Multiple Choice
Atomic Number is Calcium is
21
20
22
24
- 19. Multiple Choice
Electronic configuration of Mg is
2,8,2
2,8,8,2
2,8,3
2,8,8
- 20. Multiple Choice
Chemical bonding is
attractive force
repulsive force
- Answer choicesTagsAnswer choicesTags