If Lithium (Li) has 3 protons and 4 neutrons, it has this many electrons
What is 3 electrons ? Note: the number of protons and neutrons are the same
In the reaction 2H₂ + O₂ → 2H₂O, which one is the product?
2H₂O
What is the atomic symbol of Sodium?
Na
2Fe + O₂ → 2FeO, what chemical reaction has occured?
Synthesis or Combination reaction
Which type of chemical reaction is shown here?
AB --> A + B
Decomposition Reaction
What is the atomic symbol of Gold?
Au
What do you call the elements in group 7?
Halogens
This bond typically forms when electrons are transferred from a metal atom to a nonmetal atom.
Ionic Bond
What do call the family/group of nonmetals which is very unreactive and has a full valence shell (8 valence electrons).
Noble Gases
The elements next to the zigzag line (except for Al) are called _______. They are found between the metals and non-metals.
What are metalloids ?
Which of the following is a reaction that absorbs heat from the surroundings?
Endothermic Reaction
Elements that have a dull luster and are brittle belong to this category
Non-metals
What is the atomic name of Ag?
Element with atomic number 8.
What is Oxygen
It is formed when a pair of electrons is shared between two atoms. Ex. H2O
Covalent bond