WorksheetsBohr Diagrams and Ions
Total questions: 20
Worksheet time: 10mins
An atom is neutral if
the number of protons equals the number of electrons
the number of neutrons equals the number of protons
the number of electrons equals the number of neutrons
it has gained or lost electrons
Which of the following correctly pairs the subatomic particle with its correct charge
p+ e0 n-
p0 e- n+
p+ e- n0
p- e0 n+
Which of the following is the ground state electron configuration for a neutral atom of Silicon (Si)?
2 - 8 - 6
2 - 8 - 4
2 - 7 - 5
2 - 7 - 7
Which of the following is the excited state electron configuration for a neutral atom of Silicon (Si)?
2 - 8 - 6
2 - 8 - 4
2 - 7 - 5
2 - 7 - 7
Which of the following is the correct Bohr Diagram for a neutral atom of Carbon in its ground state?
If an atom GAINS or LOSES electrons it is called an
isotope
ion
neutral atom
electron cloud
If an atom has a charge of +2 it has
gained 2 electrons
lost 2 electrons
gained 2 protons
lost 2 protons
If an atom has a charge of -3 it has
gained 3 electrons
lost 3 electrons
gained 3 protons
lost 3 protons
How many protons and electrons does an ATOM of Nitrogen have?
7 protons and 8 electrons
7 protons and 7 electrons
11 protons and 11 electrons
11 protons and 23 electrons
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.
If an ion has an overall NEGATIVE 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.
Which of the following ionic notations is correct for an atom of Sulfur that has gained 2 electrons?
S+2
S-2
Si+2
Si-2
Which of the following ionic notations is correct for an atom of Beryllium that has lost 2 electrons?
B+2
B-2
Be+2
Be-2
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
What is the net charge of an atom that has 5 protons, 6 neutrons, and 4 electrons?
+1
0
-2
-1
+2
In order to become a negatively charge ion (anion) an atom has to
gain protons
gain electrons
lose protons
lose electrons
In order to become a positively charge ion (cation) an atom has to
gain protons
gain electrons
lose protons
lose electrons
