Atoms!
Vocab Words
It's ELEMENTary
Bohr Models
Families
1
The number of protons in an atom of an element is its ___________ number.
atomic Number
1
__________ is the basic building block of all matter.
atoms
1
The number of protons in this element.
What is 5?
1
What is the Atomic Number of this atom?
7
1
What determines the energy level of an element?
period
2
What is the charge of a proton?
What is the charge of a neutron?
What is the charge of an electron?
Proton: Positive
Neutron: Neutral
Electron: Negative
2
Define Isotopes
The same element with the same number of protons but different number of mass and neutrons.
2
The number of neutrons in this element.
6
2
How many Electrons are in this atom?
2
2
Name 3 nobles gases.
helium, neon, krypton, argon, radon, etc.
3
Electrons in an atom move throughout the electron __________ surrounding the nucleus.
cloud or orbit
3
An element that has properties of both metals & nonmetals
metalloid
3
The atomic weight of this element.
55.845
3
What is the Atomic Mass of this Atom?
14
3
What element on the periodic table is a liquid at room temperature?
Mercury
4
What determines the identity of an element.
atomic number
4
A vertical column in the periodic table of the elements
group or family
4
The number of electrons in this element.
79
4
What is the Element Name of this (neutral) atom?
Oxygen
4
What is the largest family on the periodic table?
transition
5
The Atomic Model that introduced the theory of electron orbits.
Bohr Model
5
What is the center of the atom called? And what is located in the center of the atom?
Nucleus. Protons and neutrons are located in the center of the atom
5
The number of neutrons in this element.
zero
5
What is the Atomic Mass of this atom?
23
5
What element is found in the halogen family, and is located on period 5?
iodine
6
A horizontal row in the periodic table of the elements
Periods
6
The outermost energy level of an atom where the valence electrons are located
What is an Valence Electrons?
6
How many neutrons does silver have?
61
6
How many Protons, Neutrons, and Electrons are in Nitrogen?
Protons = 7
Electrons = 7
Neutrons = 7
6
What is the electronic configuration of this atom?
2,5