Atoms
The amount of protons in an atom.
What is the Atomic number?
Isotopes that have more neutrons and a greater mass.
What is the Mass of Isotopes?
Atoms have the same number of ___ and ___, but not the same number of neutrons.
What are protons and electrons
There is this amount of elements on the periodic table.
What is 118?
These are the three types of radiation.
What are alpha, beta and gamma radiation?
This man was considered one of the most influential Greek philosophers and did not believe that empty space could exist.
Who is Aristotle?
The atomic number + the number of electrons.
What is the mass number?
An electromagnetic wave length with a higher frequency has a ___ wave length
What is a shorter wave length?
The first periodic table was created by.
Who was Dmitri Mendeleev?
The charge of a gamma ray.
What is 0?
This is the smallest particle of any element and it also has the same properties as an element.
What is an atom?
The atom that has a mass of exactly 12 atomic mass units and is used to find atomic mass units.
What is the carbon-12 atom?
Electrons in an atom have what charge?
What is a negative charge?
The rows (up and down) on a periodic table are called.
What are periods?
Unstable atoms that have either___ or ___ neutrons are unstable.
What are too many and not enough?
The positive and negative elements inside the nucleus of an atom.
What are protons and neutrons?
To find the weighted average atomic mass of chlorine you should start by...
What is calculate the mass contribution of each isotope?
The least amount of energy that an atom can lose or gain.
What is quantum?
The periodic table is split into what three sections?
What are metals, nonmetals, and metalloids?
The electrons that have a charge of 1-.
What is a beta particle?
This Atomic Theory stated that "Matter is composed of extremely small particles called atoms."
What is Dalton's Atomic Theory?
The mass of an element can show the most abundant ____ for that single element.
What is an isotope?
These are the three main characteristics of an electromagnetic wave?
What is wavelength, frequency and amplitude?
The blocks in the periodic table are.
What are the S, P, D and F blocks?
The electrons that have a 2+ charge.
What is an alpha particle?