Periodic Table
Hydrogen has the number 1, Helium has the number 2, etc. This number is called the ___ ____.
What is the atomic number?
This is the common name for H2O.
What is water?
This is the name for the inner part of the atom.
What is a nucleus?
This is the name for the left side of a chemical equation.
What are reactants?
This element is represented by the symbol C.
What is carbon?
This number is the sum of protons and neutrons in the nucleus of an atom.
What is the mass number?
This is the common name for NH3.
What is ammonia?
These are the three particles that make up an atom.
What are protons, neutrons, and electrons?
This is the name for the right side of a chemical equation.
What are products?
This is the chemical symbol for magnesium.
What is Mg?
Neon belongs to this group of the periodic table.
What is group 18, or noble gases?
This is the chemical name for NO2.
What is mononitrogen dioxide?
This is the name of the outer part of the atom.
What is an electron shell?
Balance this equation: H2 + O2 → H2O
2 H2 + O2 → 2 H2O
This element is represented by Si.
What is silicon?
This is the name for elements of group 17.
What are halogens?
This is the chemical name for P2O5.
What is diphosphorus pentoxide?
This is the name for an atom that has a positive electrical charge.
What is a cation?
Balance this equation: N2 + H2 → NH3
N2 + 3 H2 → 2 NH3
This is the chemical symbol for potassium.
What is K?
There are _ periods in the periodic table.
What is 7?
This is the common name for CH4.
What is methane?
This is the name for an atom that has a negative electrical charge.
What is an anion?
Balance this equation: Fe + Cl2 → FeCl3
2 Fe + 3 Cl2 → 2 FeCl3
This chemical is represented by the symbol Sb.
What is antimony?