The number of protons in an atom of an element is its ___________ number.
What is atomic?
A positively charged subatomic particle.
What is a proton?
The number of protons in this element.
What is 5?
Atomic Number
7
Protons and neutrons can be found in the _____________ of an atom.
What is nucleus?
The current atomic theory includes the ________ model
What is Bohr
A negatively charged subatomic particle
What is an electron?
The number of neutrons in this element.
What is 6?
Electrons?
2
The sum of protons and neutrons in the nucleus.
What is : atomic mass
The number of electrons that the third shell can hold
What is : 18
__________ is the basic building block of all matter.
What are atoms?
The atomic weight of this element.
What is 55.845
Atomic Mass
14
The atomic number of the element equals what two subatomic particle numbers?
Protons and Electrons
Electrons in an atom move throughout the electron __________ surrounding the nucleus.
What is cloud?
A subatomic particle that has no charge.
What is a neutron?
The number of electrons in this element.
What is 79?
Element Name?
Oxygen
A fluorine atom has 9 protons, 10 neutrons, and 9 electrons. What is the atomic number?
9
The size of both protons and neutrons is what?
1 amu
The whole number that is in the upper portion of each element on the periodic table, it is also the number of protons that element has.
What is the atomic number?
The number of neutrons in this element.
What is zero?
Atomic Mass?
23
Potassium has 19 protons and an atomic mass of 39. How many neutrons does potassium have?
20
In an atom, which has the least mass?
A: nucleus
B: proton
C: neutron
D: electron
What is D: electron
This element has the symbol, Hg
What is Mercury
How many neutrons does silver have?
What is :61
Draw the atomic structure of Carbon. Be sure to label protons, neutrons, electrons, and nucleus.
There should be 6 protons, 6 neutrons inside the nucleus along with two orbitals. The first orbital will have 2 electrons and the second orbital will have 4.
What determines the identity of an element.
What is the number of protons or atomic number?