Atoms
This is the center of an atom, electrons orbit this
What is the nucleus
Made up of only one kind of atom
What is an element
These atoms are the same type of matter but different numbers of neutrons
What are isotopes
What element has the symbol O?
What is oxygen.
The first electron shell holds this many electrons
What is 2
This is an uncharged particle in the nucleus of the atom.
What is a neutron
These are arranged on the periodic table according to their atomic number
What is an element
Anything that has mass and takes up space
What is matter
What elements has the symbol H?
What is Hydrogen.
The second shell of an atom holds this many electrons
What is 8
The smallest unit of a compound
What is a molecule
Solid material whose atoms are arranged in an ordered pattern
What is a crystal
Solid material whose atoms, molecules, or ions are arranged in an ordered pattern.
Crystals
What elements has the symbol C?
What is Carbon.
The electrons in the outer most shell are called
What is valence electrons
This is a positively charged particle in the nucleus of the atom
What is a proton
Anything with both volume and mass
What is matter
Solids can be formed from ____________.
What is molecules.
What elements has the symbol Fe?
What is Iron.
When you add H + H + O you get
What is H2O or Water (Either answer is accepted)
This is a negatively charged subatomic particle
What is an electron
Atoms can be combined to form _________________ of various substances.
What are molecules
How many elements are there on the periodic table?
What is 103.
What elements has the symbol Ag?
What is Silver.
What are the three types of chemical bonds?
What is:
Metal + Metal
Metal + Nonmetal
Nonmetal + Nonmetal