Chemistry
These are the 3 sub-particles of an atom with their electrical charges and location.
What is 1) proton, positive charge, in the nucleus 2) neutrons, no charge (neutral), in the nucleus 3) electron, outside the nucleus, negative charge
This is the measure of the amount of space
What is volume.
What is the significance of the vertical columns of the periodic table?
What is elements with similar properties?
This is you crumbling paper
What is Physical change
The lightest noble gas
What is Helium
Proton + Neutron = "this"
What is mass number
This is the difference between pure compounds and mixture
What is pure compounds are fixed whereas mixtures are not
What is K
This is when you cut slices of lemons into pieces
What is physical change
This is the name given to group 1
What is alkali metals
This is the measure of an amount of matter.
What is mass.
What is property.
This is the group number element Mg is in
What is group 2
This is milk turning sour
What is chemical change; because the mil changes composition (taste)
Two element combined to form a substance
What is a compound
This is a state of matter that starts as a gas and then becomes ionized; it consists of free moving ions and electrons
True or False: Properties are useful for classifying unknown materials as members of known groups or subgroups of substances or for identifying substances directly.
What is true!
This is the period and group # element Ba; Barium is in.
What is group 2 period 6
This is a piece of wood is sawed in half
The element that is used in computer chips and solar panels
This is the change of matter from one form to another without a change in chemical properties. Example would be crumbling paper.
What is physical property.
This is the word that describes a substance's ability to undergo changes that alter its identity.
What is chemical property
This is the number of periods and groups in the periodic table.
What is 7 periods and 18 groups.
This melted butter solidifies in the refrigerator.
What is physical, because the butter remains butter.
Element Xe