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WorksheetsCh.5 IONS
Total questions: 42
Worksheet time: 40mins
What is a negative ion called?
(a)If an atom gains electrons, the charge will be positive.
(a)If an atom loses electrons, it becomes a negative ion.
(a)
Which particles change the charge in atoms when ions are formed?
Protons
Electrons
Neutrons
Cations are...
Positive
Negative
Neutral
Anions are...
Positive
Negative
Neutral
An atom becomes _________ when it gains electrons.
Positive
Negative
Neutral
An atom becomes _______ when it loses electrons.
Positive
Negative
Neutral
charge of beryllium ion
-2
-1
+1
+2
Atoms of Potassium like to lose one electron to become more stable. What will the charge of this new potassium ion be?
+1
+2
-1
-2
Fluorine atoms like to GAIN 1 electron to become more stable. What will the charge be of this new fluorine ion?
-1
+1
0
-2
If an ion has an overall POSITIVE charge, what has to be true?
There are more protons than electrons because the atom gained protons.
There are more electrons than protons because the atom lost protons.
There are more protons than electrons because the atom lost electrons.
There are more electrons than protons because the atom gained electrons.
What is the net charge of an atom that has 9 protons, 10 neutrons, and 9 electrons?
+1
0
-1
What is the net charge of an atom that has 12 protons, 12 neutrons, and10 electrons?
+2
0
-2
Which types of elements from cations?
metals
nonmetals
metalloids
noble gases
Which types of elements from anions?
metals
nonmetals
metalloids
noble gases
Why do elements form bonds?
to get a charge
so they can make friends
to become stable by getting a full valence shell
to become stable by increasing their mass
How many electrons would a Nitrogen ion gain/lose? If it has 5 valence electrons.
lose 5
gain 5
lose 3
gain 3
What is the ion formed from Sulfur? If it has 6 valence electrons.
S+2
S-2
S+6
S-6
How many electrons would a Calcium ion gain/lose? If it has 2 valence electrons.
lose 1
gain 1
lose 2
gain 2
A Bromine ion gains 1 electron, which of the following is the correct symbol for a Bromine ion?
Br-1
Br+1
Br+7
Br-7
Na has 1 valence electron. It will have a charge of _______
+1
+2
-1
-2
Be has 2 valence electron. It will have a charge of _______
+1
+2
-1
-2
Iodine has 7 valence electron. It will have a charge of _______
-2
-1
+1
+2
F has 7 valence electron. It will have a charge of _______
-2
-1
+1
+2
S has 6 valence electron. It will have a charge of _______
-2
-1
+1
+2
What will the ionic charge be for Iodine?
+1
-1
+2
-2
What group does this atom belong to?
Group 2
Group 9
Group 17
Group 7
What charge will atoms in group 1 have?
+2
+1
-1
-2
What charge results of an ion gains electrons
positive
neutral
negative
What charge will result if an ion loses electrons?
positive
negative
neutral
How is an atom and ion different?
An atom has a charge and an ion has no charge.
An atom has no charge and an ion has a charge.
An atom...
is the smallest unit of matter
exists in a neutral state
is made up of protons, neutrons, electrons
all of the above
