'Ionic Bonds' Chemistry Worksheet
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1
2Name ________________
Ionic Bonds
Date:_________________
1. Compared to a calcium atom, the calcium ion Ca
2+
has
1) more protons
2) fewer protons
3) more electrons
4) fewer electrons
2. As a chlorine atom becomes a negative ion, the atom
1) gains an electron and its radius increases
3) loses an electron and its radius increases
2) gains an electron and its radius decreases
4) loses an electron and its radius decreases
3. What occurs when an atom loses an electron?
1) The atom's radius decreases and the atom becomes a negative ion.
2) The atom's radius decreases and the atom becomes a positive ion.
3) The atom's radius increases and the atom becomes a negative ion.
4) The atom's radius increases and the atom becomes a positive ion.
4. Which element forms an ionic compound when it reacts with lithium?
1) K
2) Fe
3) Kr
4) Br
5. An ionic compound is formed when there is a reaction between the elements
1) strontium and chlorine
3) nitrogen and oxygen
2) hydrogen and chlorine
4) sulfur and oxygen
6. Which substance contains bonds that involved the transfer of electrons from one atom to another?
1) CO
2) NH
3) KBr
4) Cl
2
3
2
7. An ionic compound consists of positive and negative ions each with 10 electrons. Half of these ions have a
charge of 1
+
and the other half have a charge of 1
–
. What is the formula of this compound?
1) KF
2) KCl
3) NaF
4) NaCl
8. Which formula represents an ionic compound?
1) NaCl
2) N
O
3) HCl
4) H
O
2
2
9. Element X is in Group 2 and element Y is in Group 17. What happens when a compound is formed between
these two atoms?
1) X loses electrons to Y to form an ionic bond.
2) X loses electrons to Y to form a covalent bond.
3) X gains electrons from Y to form an ionic bond.
4) X gains electrons from Y to form a covalent bond.
10. A neutral atom with the electron configuration
2-6 would most likely form a bond with an atom having the configuration
1) 2
2) 2-2
3) 2-8
4) 2-8-8
Chemistry!
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