Periodic Table
The element tellurium, Te, has this many valence electrons.
What is six?
Ionic compounds are formed between these two types of particles, one is usually a metal and the other is usually a nonmetal.
What are cations and anions?
Covalent Compounds are formed between these types of atoms.
What are nonmetals?
This type of chemical reaction always starts with one compound and ends with more than one substance.
What is decomposition?
This is the type of reaction that releases energy.
What is an exothermic reaction?
The element potassium, K, is in this period.
What is the fourth period?
The total charge of an ionic compound must equal this total value.
What is zero?
In covalent compounds two atoms will do this with their electrons.
What is share them in pairs?
What is double replacement?
This is the energy required to start a chemical reaction.
What is activation energy?
The element phosphorus, P, would make an ionic bond with a metal because it is considered this.
What is a nonmetal?
A single ionic compound is called this.
What is a formula unit?
This is the chemical formula for the compound named hexasilicon diboride.
What is Si6B2?
When balancing a chemical equation, you know that you are done when you have this.
What is the same number of each type of atom on both sides of the reaction?
These are the four ways that a chemical reaction can be sped up.
What are increase the temperature, increase the concentration, add a catalyst, crush solid reactants?
The element actinium, Ac, is part of this group.
What are the actinides (or actinoids)?
This is the name for the following ionic compound; Fe(C2H3O2)3
What is Iron (III) acetate?
This is the scientific name for the covalent compound known commonly as water.
What is dihydrogen monoxide?
In a single replacement reaction, the element will replace this element in the compound.
What is the same type of element (metal replaces metal, nonmetal replaces nonmetal)?
This is the difference in energy from the potential energy of the reactants to the potential energy of the products.
What is the enthalpy of the forward reaction?
This element has common properties with carbon and germanium, but is considered a metalloid and a semiconductor.
What is silicon?
This is the chemical formula for calcium hydroxide.
What is Ca(OH)2?
This is the molecular shape for the covalent compound carbon tetrachloride.
What is tetrahedral?
The coefficients that will correctly balance the following equation are these:
Ba3N2 + H2O --> Ba(OH)2 + NH3
What is 1, 6, 3, 2?
These are the required conditions for two particles to react when they collide.
What are that they must collide with enough energy and at the right orientation to react?