States of matter
Name the three states of matter
solid, liquid, gas
Which property tells if something is attracted to a magnet?
Is cutting paper a chemical or physical change?
physical
What are the basic building blocks of matter?
Atoms
What element has the symbol C?
Carbon
Solid
Which property measures how easily light passes thorugh a material?
Transparency
Is freezing water a chemical or physical change?
Physical
What is a molecule?
Two or more atoms bonded together
which element has an atomic number or 1?
hydrogen
Which state of matter takes the shape of its container?
Liquid
Which property measures how easily a mateiral can be shaped?
Malleability
Is burning wood a chemical or physical change?
Chemical
What is an element?
a pure substnace made of one type of atom
How many protons does nitrogen have?
7
Which state of matter spreads out to fill any container?
Gas
Which property measures how well heat or electrucity moves through an object?
Conductivity
Is baking a cake a chemical or physical change?
chemical
What is a compound?
Two or more different elements bonded together.
Name one element that is solid at room temperature?
lots
Water freezes into ice. Identify the state change.
liquid to solid
Which property tells how difficult it is to scratch or crush an object?
Hardness
Mixing baking soda nad vinegar makes bubbles. What type of change is this and why?
chemical change because bubbbles were formed
Explain the difference between a mixture and a compound.
A mixture is not bonded and can be seperated.
A compound is bonded and cannot be easily seperated.
Name an element in group 14 and explain how you know it is in group 14.
carbon, silicon, etc. They are in the column labeled group 14.