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________ ________ is the temperature at which a solid turns to liquid.
Melting point
________ ________ is a characteristic of matter that can be observed as it changes to a different type of matter.
Chemical property
______ is the change from a gas directly to a solid.
Deposition
What happens to the motion of particles when you remove thermal energy?
The particles will move more slowly.
The amount of matter in an object is called the _______.
mass
The type of substance with atoms of two or more different elements chemically bonded together is called a(n) __________.
compound
Which type of substance is the table salt?
compound
The number of __________ in an atom determines the identity of the element.
protons
________ is anything with mass and takes up space.
Matter
Which curve indicates the boiling point?
DE
New substances formed during a chemical reaction are called _________.
products
Why does the powdered form of a solid metal react faster with an acid than a bar of solid metal?
More total surface area, therefore more space available for reactants to collide.
Name the 2 types of matter.
Substances and mixtures
A matter's temperature will stay the same during a change of state. (True or False)
True
Balance this equation.
1,2,1,2
What kind of mixture is the air in Hanoi?
heterogeneous mixture
