Elements
What does the 5 represent in this element?
What is the atomic number
What is hydrogen
True or False: Is this atom stable NaCl
What is true
The neutral particle that forms from electrons sharing is called..
What is Molecule
who formed the first periodic table
Who was Mendeleev
What does the 10.881 represent in this element?
What is atomic mass
On the periodic table what goes left to right
What is a period
Bonds usually form between metals and...
What is a nonmetal
The diatomic molecule O2
What is double bond
What is a term for a pattern that repeats?
What is Periodic
What does the B represent in this element?
What is the atomic symbol
What do you call the column on a periodic table?
What is a group
What can an unstable atom do?
What is lose, gain, or share
What is a covalent bond between 2 similar or identical atoms
what is Nonpolar bond
What is the smallest particle that makes up an atom?
What is a quark
protons and neutrons are composed of smaller particles is called
What is a quark
Energy differences between electrons let scientist place them is called
What is energy levels
An atom is chemically stable when..
What is the outermost level is complete.
If an atom loses or gains an electron, it gets an electric charge and is called?
What is an ion
How many Carbon atoms are in this equation
3HeC5
What is 15
Who arranged all known elements based on increasing atomic number instead of the atomic mass
Who is Henry Moseley
What do you call a poor conductor and are mostly gases or brittle solid?
What is nonmetals
This is the specific name for the outermost electrons that get shared or traded to make bonds.
What are valence electrons
What is the attraction that forms between atoms when they share electrons is called
what is Covalent bond
What group are the halogens in?
What is group 17