l Chemistry 3rd Quarter exam review

Which elements all have four electrons in their outermost energy level?

The elements that borderthe zigzag line in the periodic table are

In Rutherford's experiment, why did most alpha particles go straight through the gold foil?

Which substance has bonds that come from the transfer of electrons from one atom to another?

What group of elements is shown?

Potassium (K) forms a 2:1 compound with

Elements in a group orcolumn in the periodic table can be expected to have similar

. Which two elementshave similar chemical properties?

What is a valence electron?

What is the name ofthe family of elements that begins with lithium (Li)?

Mendeleev predicted thatthe spaces in his periodic table represented

How many valence electrons do most metals have?

The chemical symbol for chlorine is Cl. How many protons andelectrons are in a chloride anion?

Nitrogen & oxygen combine to form nitrous oxide (N₂O).What type of bonds are in nitrous oxide?

The energy required toremove an electron from an atom is the atom's

Which type of bond is foundin sodium fluoride (NaF)?

The chemical symbol forcarbon is C. How many protons and neutrons are in the carbon-14 isotope?

Which property is the samefor both hydrogen (H) and rubidium (Rb)?

Why were a few of the alpha particles weredeflected from their straight paths.?

Which statement best describes why krypton is located in the last column on the periodic table?