matter
What are the four states of matter
Solid, liquid, gas, and plasma
Made up of only one kind of atom
What is an element
How many electrons will fit in the second shell of an atom?
What is 8
This is a small particle that makes up all mattter.
What is an atom
Is water an element? Why or why not...
No because an element is made of one type of atom and water is hydrogen and oxygen
This is a row in the periodic table
What is a period
What is a valence electron?
An electron in the outermost shell of an atom.
These are atoms of the same element that have different numbers of electrons to protons.
What is an ion
Draw the particulate model for a gas
Answers will vary
What makes a noble gas less likely to combine with other elements?
It has a full outer shell.
This is the sum of the an atom's protons and neutrons
What is atomic mass
This is an uncharged particle in the nucleus of the atom.
What is a neutron
Anything that has mass and takes up space
What is matter
Periods in the periodic table tell us what?
This is the number of protons in the nucleus of each atom of an element
What is the atomic number
This is a positively charged particle in the nucleus of the atom
What is a proton
How many elements are on the periodic table?
118
A column in the periodic table is called...
What is a group
What are three groups of atoms on the periodic table?
What are: alkali metals, alkaline earth metals, transitional metals, metalloids, other nonmetals, post-transitional metals, actinoids, lanthanoids, halogens, and noble gases.
This is the location where electrons orbit the nucleus of an atom
What is the electron cloud