Atoms
The ______ unit of matter.
Smallest
Definition of an ion.
An atom that has gained or lost an electron.
What is an isotope?
An atom with a different number of neutrons
What are the three subatomic particles?
Protons, electrons, and neutrons.
The element symbol for neon.
Ne
The center of the atom.
Nucleus
_______ are ions that have a positive charge.
cations
Isotopes are ________ atoms.
unstable.
Atoms with different number of protons.
A different element.
The atomic mass of Lithium
6.941
_________ electrons can fit in the 2nd shell.
8
A negative ion is called _________
an anion.
What is the mass number for this isotope: 17N
17
Atoms with different number of electrons.
Ions
The mass number of Oxygen.
16
How much do electrons weigh?
0 amu
O-2 has how many electrons?
10
The number of neutrons for carbon-14.
8
Atoms with the same number of protons but DIFFERENT neutrons.
Isotope
What is the heaviest element?
Og or Oganesson
How many shells can an atom have?
Infinite.
Ca+2 has how many electrons
18
If I am nitrogen and I have 8 neutrons, what is my mass?
15
How many protons, neutrons, and electrons does Sulfur have?
Protons = 16
Electrons = 16
Neutrons = 16
I have 33 protons. What element am I?
Arsenic