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- 1. Multiple Choice
According to the Octet Rule, atoms of elements react with each other in order to attain ____ electrons in their outermost energy level or shell.
2
4
6
8
10
- 2. Multiple Choice
What is the best definition of valence electrons?
The outermost electron NOT involved in chemical reactions
The innermost electrons involved in chemical reactions
The outermost electrons involved in chemical reactions.
The innermost electrons NOT involved in chemical reactions
- 3. Multiple Choice
What makes an element an atom (neutral) instead of an ion?
when there are more electrons than protons
When there are more protons than electrons
When the electrons are equal to the protons.
- 4. Multiple Choice
How do can atoms complete the octet rule?
They lose or gain protons
They lose or gain neutrons
They lose or gain electrons in the outer most level
They lose of gain electrons from the inner most level
- 5. Multiple ChoiceHow many valence electrons are elements trying to reach in their outer shells?1258
- 6. Multiple Choice
Which of the following elements GAINS 1 electron in order to attain an octet?
sodium
calcium
helium
boron
chlorine
- 7. Multiple ChoiceWhat group of elements is stable?halogensnoble gasesalkali metalsalkali earth metals
- 8. Multiple Choice
Metals tend to _______________ electrons and form __________ ions. These ions are called ______________.
gain, negative, anions
lose, positive, cations
gain, negative, negatrons
lose, positive, positrons
- 9. Multiple Choice
Anions have a ________ charge.
positve
negative
neutral
- 10. Multiple Choice
Cations have a __________ charge.
positive
negative
neutral
- 11. Multiple Choice
Which of the following elements GAINS 2 electrons in order to attain an octet?
cesium
magnesium
phosphorus
sulfur
iodine
- 12. Multiple Choice
Which of the following elements LOSES 3 electrons in order to attain an octet?
nitrogen
lithium
aluminum
oxygen
iodine
- 13. Multiple Choice
Each of the following elements will LOSE ELECTRONS in order to attain an octet EXCEPT _______
iodine
magnesium
potassium
copper
strontium
- 14. Multiple Choice
Each of the following elements will GAIN ELECTRONS in order to attain an octet EXCEPT _______
iodine
phosphorus
fluorine
oxygen
titanium
- 15. Multiple Choice
How many electrons does Cl (Chlorine) want to gain or lose to complete the octet rule?
It wants to gain 1 electrons
It wants to lose 7 electrons
It wants to lose 9 electron
It want so gain 10 electrons
- 16. Multiple Choice
This atom will
lose 2 electrons
gain 2 electrons
lose 6 electrons
gain 6 electrons
do nothing
- 17. Multiple Choice
What charge will this atom have when it satisfies the octet rule?
-3
+3
-5
+5
0
- 18. Multiple ChoiceHow do you determine the number of valence electrons an element has?Look at its periodLook at its groupLook at its atomic numberLook at its atomic mass
- Answer choicesTagsAnswer choicesTags