Atomic Theory
The smallest particle that still can be considered an element
What is an atom?
The top of all the elements of the periodic table
What is atomic number?
The outermost energy level of an atom that have the highest energy
What are valence electrons?
The bond formed between a metal and a nonmetal
What is an ionic bond?
A compound that reacts with metals and carbonates, tastes sour, and turns blue litmus paper red
What is an acid?
The number of protons in the nucleus
What is atomic number?
Majority of the periodic table is made up of this type of element
What are metals?
The range of valence electrons
What is 1-8?
A covalent bond in which electrons are shared equally
What is a nonpolar bond?
A compound that tastes bitter, feels slippery, and turns red litmus paper blue.
What is a base?
The 3 subatomic particles that make up an atom, as well as their charges
What is a positively charged proton, negatively charged electron, and a neutron with no charge?
The number of periods on the periodic table
What is 7?
The number of valence electrons each element in group 14 has
What is 4 valence electrons?
The type of compound with a high melting point and ability to conduct heat or electricity
What is an ionic compound?
A compound that changes color when it comes in contact with an acid
What is an indicator?
Atoms with the same number of protons and different number of neutrons
What are Isotopes?
The name of the person who organized the periodic table
Dmitri Mendeleev
The only stable group in the periodic table
What is group 18?
An ion made of more than one atom
What is a polyatomic ion?
A neutralization reaction produces these two things
What is a salt and water?
The scientist who discovered the nucleus of an atom using his gold foil experiment
Who is Ernest Rutherford?
Group 17 on the periodic table
The semiconductors of the periodic table
What are metalloids?
The type of bond formed between hydrogen and chlorine
What is a covalent bond?
NaOH is an example of this compound
What is a base?