The maximum number of electrons in the first energy shell
What is 2?
F
What is the element symbol for Fluorine?
Protons have this charge
What is a postive charge?
Neon and Argon are examples of this.
What are Gases?
Elements that are the most abundant on the periodic table.
What is a Metal?
The number you use to find the number of protons in the nucleus.
What is the atomic number?
3 main states of matter
What are Solid, liquid, and Gas?
Ca
What is the element symbol for Calcium?
The simplest form of matter.
An Element
Two or more atoms together.
What is a molecule?
The atomic number tells us this.
What is the number of protons?
The maxiumum number of electrons in the 2nd energy shell
What is 8?
Water is made of these two elements.
What is hydrogen and oxygen?
O₂
What is an oxygen molecule?
Name the scientist who created the periodic table of elements.
Mendeleev
What are the types of nuclear reactions?
Gamma Decay, Beta Decay, Alpha Decay, Nuclear Fission, Nuclear Fusion
7
What is the atomic number of Nitrogen?
Two different elements that have bonded.
What is a compound?
Alkali metals belongs to this group
What is Group 1
Name all 3 subatomic particles.
What are Protons, Neutrons, and Electrons
Ions are made in what way.
What is losing (stealing) or gaining electrons?
Making ice cubes from water is what kind of change?
Freezing
Covalent bonding happens generally between these type of elements.
What are nonmetals?
Group or family 17 elements are these.
What are Halogens?
The sum of protons and neutrons in the nucleus of an atom is known as the _________
What is the mass number?
What are the two types of bonding?
Ionic and Covalent.
Elements represent unique forms of these tiny things. The building blocks of everything!
What are atoms?
Neutrons have this kind of charge
What is a neutral charge?
The atomic mass of these 2 transition metals are identical.
What is atomic # 108 and 110 or Hassium and Darmstadtium
Lithium, sodium, potassium, rubidium, caesium and francium belong to the family of ______________
Group 1
There are this number of elements on the periodic table of the elements.
What is 118?
The most abundant gas in the atmosphere.
What is Nitrogen?
Valence electrons are located in this shell
What is the outermost shell of an atom?
This refers to sets of eight electrons
What is the octet rule?
The presence of this layer is found in the stratosphere of the atmosphere.
What is the ozone layer?