Atomic Structure Flashcards
What does the mass number contain?
Protons and neutrons
What does the atomic number contain?
Number of protons in the nucleus
What is the number of electrons equal too?
The number of protons
What is an isotope?
Versions of elements which have same number of protons but different number of neutrons
What is an element?
One type of atom
What is an atom?
Smallest particle of an element
What is a compound?
Two or more different types of atoms chemically bonded together
What is a mixture?
Two or more substances not chemically bonded
What is a pure substance?
One type of atom with nothing else mixed in
What is a pure substance?
One type of atom with nothing else mixed in
What is another name for group 1?
Alkali metals
What is another name for group 7?
Halogens
What is another name for group 0?
Noble gases
What would number one be on Ph scale
Acid
What would 14 be on the Ph scale?
Alkali