Elements & Symbols
What is the symbol for Sodium?
Na
What is the charge of a proton?
+1
This is a molecule made from two atoms.
What is a diatomic molecule?
What pH value is neutral?
7
This model explains metals as positive ions in a sea of electrons.
What is the electron sea model?
What element has the symbol O?
Oxygen
What is the center of an atom called?
Nucleus
This is the center of an atom.
What is the nucleus?
What is the main acid in lemons?
Citric Acid
This property allows metals to stretch into wires.
What is ductility?
What is the symbol for Iron?
Fe
What subatomic particle has no charge?
Neutron
When atoms share electrons, this type of bond forms.
What is a covalent bond?
Is ammonia a base or acid?
base
This property lets metals be hammered into sheets.
What is malleability?
What element has the symbol K?
Potassium
Electrons are located in which part of the atom?
Electron cloud
This term describes an atom or group with a charge.
What is an ion?
What acid is found in vinegar?
Acetic acid
Alloys, like steel, are created primarily for this reason.
What is increased strength or durability?
What is the symbol for Lead?
Pb
What is the atomic number of carbon?
6
This is a molecule composed of more than two atoms.
What is a polyatomic molecule?
Name the acid in car batteries.
Sulfuric acid
This is why metals conduct electricity so well.
What is the free movement of electrons?