Chem 1H Chapter 4 Review

Who discovered the nucleus?

Number of neutrons: Boron-11

Periodic table hunt: Group 13, Period 2

Who was one of the first to suggest the existence of atoms?

Predict charge on ion: potassium

Definition: able to be draw out into a wire

Classify: Argon

Classify: Cesium

Periodic table hunt: Which of the following is a main-group (representative) element?

Classify: N^3-

Who conducted the gold foil experiment?

Which group is unreactive?

How is the modern day periodic table arranged?

Define: atoms of same elements with different numbers of neutrons

Classify: Aluminum

Number of valence electrons: sulfur

Who proposed the plum pudding model?

Who discovered the electron?

Number of electrons: Be²⁺

Classify: Element that is malleable and a good conductor of electricity

Periodic table hunt: Group VA, Period 4

Predict charge on ion: bromine

Number of valence electrons: lithium

Periodic table hunt: Period 4 alkaline earth metal

Periodic table hunt: Which of the group is the alkali metals?

Classify: Antimony

Predict charge on ion: oxygen

Which of the following is not like the others?

Periodic table hunt: Which of the following is not a halogen?

Which ionization equation is correct?

Number of protons: manganese

Who developed the first atomic theory?