types of bonds
Electrons involved in bonding between atoms are
valence electrons
A change in matter which does not alter the chemical properties of the matter is a _______________ change
physical
Which type of element is most likely to share or gain electrons?
nonmetals
An example of a colloid is salt water (true or false)
false
Which definition best describes a solution
solutes dissolved in a solution
When an atom loses an electron, it becomes a
positive ion
What does a chemical reaction always cause to happen?
the production of one or more new substances.
Which type of element is most likely to only lose electrons?
metals
Ionic compounds form crystals with high melting points and conduct electricity when dissolved in water.
true
What is a suspension
solid particles are spread throughout but not dissolved
When electrons are shared between two atoms, what type of bond is formed?
covalent
What is the law of conservation of mass?
which type of element is most likely to lose or share electrons
metalloids
A polar bond is formed when two atoms share electrons equally.
false
What is a colloid?
particles are larger than a solution but smaller than a suspension.
When the electrons in a molecule are more strongly pulled
in one direction, the molecule is ____________________.
polar
When electrons are transferred between two atoms, an ionic bond is formed?
true
What is an example of a solution?
salt water
Which is a property shared by most covalent bonds?
low melting points