223 Flashcards
Charge particles that form when atoms transfer electrons are
Ions
The force of attraction between the nuclei of atoms and shared Electrons is a…..
Covalent bond
The transfer electrons is associated with a
Ionic bond
The force of attraction that holds two atoms together is a
Chemical bond
Which element has a full outermost energy level containing only two electrons
Helium
Which of the following describes what happens when an atom becomes an ion with a 2- charge?
The atom gains two electrons
In which area of the periodic table, do you find elements whose atoms easily gain electrons? on the right or on the left side?
On the right side
What is the charge of iron in the formula Fe2O3? What type of bond is this?
+3, ionic
What pair of atoms can form ionic bond?
A sodium and potassium
B fluorine and chlorine
C potassium in fluorine
D sodium in neon
C. Potassium and fluorine.
Is this compound, ionic or covalent? CaCl2
Ionic
Is this compound, ionic or covalent? PCl3
Covalent
Is this compound, ionic or covalent? B2O3
Covalent
Ionic or covalent?
C2H5OH
Covalent
Ionic or covalent? LiCl
Ionic
Ionic or covalent?
CO2
Covalent
Name a element that has a full outer valence
Helium
What type of bond would have a high melting point?
Ionic
On what side of the periodic table do you find elements whose atoms easily gain electrons?
The right side
Which bond involves a transfer of electrons?
Ionic
The force of attraction that holds two atoms together is a……?
Chemical bond
What type of element tend to lose electrons when forming bonds?
Metals
Which pair of atoms can form an ionic bond?
A. Sr and B
B. I and O
C. K and Br
D. Cs and Ne
D. Cs and Ne
What type of bond ? would the following pair of atoms form?
Boron and Florine
Covalent
Predict the bond
Oxygen and Nitrogen
Covalent
Predict the bond:
Phosphorus and oxygen
Covalent
Predict the bond
Magnesium and chlorine
Ionic
