Fall Sem Chem Final Pt.2

___________ is an atom's principal quantum number

Photoelectric effect depends on ___________

Principal energy levels of an atom are _________

Aufbau principle states?

Relationship that shows periodic pattern when elements are arranged by increasing atomic number is ____________

Elements were arranged in order of increasing atomic mass by

Periods are

There are ___ periods

Group 1A are the

Group 2A are the

Group 7A are the

Group 8A are the

Electrons responsible for atom's behavior are ________ e-

Moving down a group, atomic radius _________

Electronegativity is __________________

_______________ discovered law of conservation of matter

A substance that cannot be separated into simpler substances is a(n) ________

A ______________ contains 2 or more elements combined in a fixed proportion

______ ______ consists of one or more letters.

___________ is simply a change of state.

Density is an example of a ________________property

Ionization energy is energy __________________________________

Most reactive elements are found in the ___ block

Alkali metals form _____ charged ions

All alkali metals

A mixture of metals is an

____________ energy is carried out by objects in motion.

A calorie is

Law of conservation of energy states

Volume is measured with a

24.5 has __ significant digits

0.24 has __ significant digits

Chemistry is the study of

Density is

X-axis is the ___________ variable and the Y-axis is the ___________ variable

Atom is