Show:
ATOMS
CHANGING MATTER
COMPOUNDS
MIXTURES
GENERAL
100
Name for the center of an atom.
What is nucleus.
100
Physical or Chemical change? Burning paper
What is chemical change
100
Name given to the three in 3NaCl.
What is coefficient.
100
You can easily see what was combined.
What is heterogeneous mixture.
100
Anything that has mass and takes up space.
What is matter.
200
Particles of an atom that have a positive electrical charge.
What is protons.
200
Physical or Chemical change? Melting metal
What is physical change
200
Name given to numbers after and slightly below chemical symbols.
What is subscripts.
200
You cannot see what was combined because the substances mixed evenly.
What is homogeneous mixture.
200
Two or more elements chemically combined.
What is compound.
300
Particles of an atom that have no charge.
What is neutrons.
300
Physical or Chemical change? Dissolving
What is physical change.
300
What a coefficient tells us about a compound.
What is how many molecules.
300
Type of homogeneous mixture made when one substance dissolves in another.
What is solution.
300
The smallest particle of an element.
What is atom.
400
On the Periodic Table, this is equal to the protons or electrons.
What is atomic number.
400
Physical or Chemical change? rusting
What is chemical change
400
What a subscript tells about the element.
What is how many atoms.
400
In saltwater, the salt is called this because it disssolved.
What is solute.
400
Matter that is made of only one type of atom.
What is element.
500
The number of protons and neutrons added together.
What is atomic mass.
500
Physical or Chemical change? Fruit turning brown when exposed to air
What is chemica.l change
500
What no coefficient and no subscripts in a formula represents.
What is one molecule and one atom of each element.
500
The substance that a solute dissolves in is called this.
What is solvent.
500
The smallest particle of a compound.
What is molecule.