Atoms and States of Matter
A particle with a negative charge is called a/an ________________
Electron
Anything that has mass or occupies space is called ________________.
Matter
An electron of an atom that is located in the outer most electron shell of an atom and can be transferred or shared with another atom.
Valence electron
The amount of solute dissolved into a solvent refers to _________________.
Concentration
When a solvent can hold no more solute.
Saturation
The state of matter that has indefinite shape and volume and electrically charged particles.
Give an example of this state of matter!
Plasma
Ex. lightning
An area devoid of matter; the absence of matter.
Vacuum
Occurs between a metal and a nonmetal. Involves the transferring of electrons.
Ionic bond
Two or more substances that can be separated almost completely create a ______________.
Mixture
How many elements are on the periodic table?
The center of an atom is called the ________________. What two particles are located here?
Nucleus; proton, neutron
When talking about how much matter is packed into a given volume of space, we are referring to _____________.
Density
Particles with ______________ charges will repel each other.
Particles with _______________ charges will attract each other.
like; different
A substance, often a liquid, that can dissolve another substance.
Solvent
What do you call two or more elements that are chemically combined?
Molecule
Particles with the same charges will ___________ each other?
repel
Give an example of both a physical and a chemical change.
Teacher will decide on acceptable answer :)
H2O is an example of a/an ___________ bond.
Covalent
Chocolate milk is an example of a ________________.
Solution
What is the formula for density?
Density = mass/volume
Provide the definition of an atom.
The smallest unit of an element that still retains the properties of that element.
Why does gravity affect weight and not mass? Explain.
Weight is dependent on gravity but mass will stay the same regardless of gravity.
In lithium fluoride, lithium gives an electron to fluorine. Lithium becomes a ______________ ion and fluorine becomes a _______________ ion.
positive, negative
Define solution.
A mixture of two or more substances that are blended completely.
Using your periodic table, identify the name and number of protons of the element Ag.
Silver; 47