chemistry term 2

Cards (20)

Which of the following best describes an ionic compound?
Composed of positively and negatively charged ions
Which property is most commonly associated with covalent compounds?
Formed by the share of electrons
Sodium chloride (NaCl) is an example of:
An ionic compound
What is the correct definition of a covalent bond?
A bond formed by the sharing of electron pairs between atoms
Which of the following substances is most likely to be an ionic compound?
MgCl₂
What type of elements typically form covalent bonds?
Non-metals and non-metals
What is the term for the ability of metals to reflect light?
Luster
In which state do ionic compounds conduct electricity?
liquid and solid
Which of the following pairs of elements will most likely form an ionic bond?
Sodium and chlorine
Why do covalent compounds have lower melting and boiling points than ionic ones?
They have weak intermolecular forces
Which of the following is a property of most metals?
High melting and boiling points
What is an alloy? A mixture of two or more metals.
Which of the following is an example of an alloy?
Stainless Steel
What is the primary characteristic of a metalloid?
They exhibit properties of both metals and nonmetals.
Which of these materials is a good conductor of electricity? Copper
What property allows metals to be drawn into wires?
Ductility
What is the formula for magnesium nitrate?
Mg(NO3)2
Metals tend to lose electrons to form:
Positive ions
What is the correct name for Fe2O3?
Iron(III) oxide
Which of the following is the correct name for CO2?
Carbon dioxide

See similar decks