__________ are the basic building block of all matter.
What are atoms?
The number of protons in an atom of an element is its ___________ number.
What is atomic?
The number of protons in this element.
What is 5?
A positively charged subatomic particle.
What is a proton?
Protons and neutrons can be found in the _____________ of an atom.
What is nucleus?
What are the three subatomic particles of an atom?
What are protons, neutrons, and electrons?
Where the greatest mass of the atom is located.
What is the NUCLEUS.
The number of neutrons in this element.
What is 6?
A subatomic particle that has no charge.
What is a neutron?
The sum of protons and neutrons in the nucleus.
What is : atomic mass
Electrons are found here.
What is the electron shells?
Mass- __________=__________
Mass-Atomic #= Neutrons
The atomic weight of Iron
What is 55.845
A negatively charged subatomic particle
What is an electron?
The atomic number of the element equals what two subatomic particle numbers?
Protons and Electrons
In an atom, which has the least mass?
A: nucleus
B: proton
C: neutron
D: electron
What is D: electron
Atomic #= ________=__________
Atomic #= P=E
The number of electrons in gold.
What is 79?
The mass number of an atom with 3 protons, 4 neutrons and 3 electrons is this.
What is 7?
A fluorine atom has 9 protons, 10 neutrons, and 9 electrons. What is the atomic number?
9
Protons and neutrons are found here.
What is the nucleus.
The number that tells us the total number of protons plus neutrons at the bottom of each element square on the periodic table.
What is the atomic mass number?
The number of neutrons in this element.
What is zero?
The area around the nucleus of an atom where electrons are most likely to be found?
What is an Electron cloud
Potassium has 19 protons and an atomic mass of 39. How many neutrons does potassium have?
20
This number tells us what the element is
Atomic Number or Number of Protons
How many electrons can the 3rd shell hold
8
How many neutrons does silver have?
What is :61
The overall charge of a whole atom is this.
What is zero.
What determines the identity of an element.
What is the number of protons or atomic number?