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18 questions
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
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
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.
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
Which of the following elements GAINS 1 electron in order to attain an octet?
sodium
calcium
helium
boron
chlorine
Metals tend to _______________ electrons and form __________ ions. These ions are called ______________.
gain, negative, anions
lose, positive, cations
gain, negative, negatrons
lose, positive, positrons
Anions have a ________ charge.
positve
negative
neutral
Cations have a __________ charge.
positive
negative
neutral
Which of the following elements GAINS 2 electrons in order to attain an octet?
cesium
magnesium
phosphorus
sulfur
iodine
Which of the following elements LOSES 3 electrons in order to attain an octet?
nitrogen
lithium
aluminum
oxygen
iodine
Each of the following elements will LOSE ELECTRONS in order to attain an octet EXCEPT _______
iodine
magnesium
potassium
copper
strontium
Each of the following elements will GAIN ELECTRONS in order to attain an octet EXCEPT _______
iodine
phosphorus
fluorine
oxygen
titanium
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
This atom will
lose 2 electrons
gain 2 electrons
lose 6 electrons
gain 6 electrons
do nothing
What charge will this atom have when it satisfies the octet rule?
-3
+3
-5
+5
0
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