Unit 3 Mini Practice Test

Front

What element has atoms that can form halide ions?

Back

Iodine

Front

What are the two characteristics associated with metals?

Back

Low first ionization energy and low electronegativity

Front

Which two elements have the most similar chemical properties?

Back

Carbon (C) and Silicon (Si)

Front

What is a possible excited state configuration for an atom of phosphorus?

Back

2-7-6 or 2-8-4-1

Front

Which period on the Periodic Table contains more metallic elements than nonmetallic elements?

Back

Period 4

Front

Define halide ions.

Back

Halide ions are negatively charged ions formed when halogens gain an electron.

Front

What is ionization energy?

Back

Ionization energy is the energy required to remove an electron from an atom.

Front

What is electronegativity?

Back

Electronegativity is a measure of an atom's ability to attract and hold onto electrons.

Front

What are the main groups of elements in the Periodic Table?

Back

Metals, Nonmetals, and Metalloids.

Front

What is the significance of the Periodic Table's periods?

Back

Periods indicate the number of electron shells in the elements.