Chemical Patterns

The inert gases

• are mildly reactive

• are highly reactive

• are unreactive

The halogens are all

• unreactive non-metals

• highly reactive non-metals

• unreactive metals

• highly reactive metals

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Which of the following is misplaced ?

• hydrogen

• helium

• neon

• argon

What is meant by the "valence shell"

• The full shell of electrons

• The innermost shell of electrons

• The outermost shell of electrons

• None of the above

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

How many electrons are in the valence shell of sodium and lithium ?

• one

• two

• three

• four

What correctly describes the nucleus of an atom?

• protons and electrons
• neutrons and electrons
• neutrons and protons
• protons, electrons, and neutrons

Tags

NGSS.MS-PS1-1

Reactivity is a(n) ________property of Metal

• Chemical Property
• Physical Property

Tags

NGSS.MS-PS1-2

The family in the periodic table that contains the most reactive metals is the_______

• Alkaline Earth Metals
• Transition Metals 
• Alkali Metals
• Other Metals

Gold, which is in Group 11 on the periodic table, is an example of a(n) ____________

• Alkali Metal 
• Other Metal 
• Transition Metal
• Alkaline Earth Metal

an arrangement of the elements according to their atomic numbers so that elements with similar properties are in the same column and properties repeat from row to row

• Periodic Table of Elements

• Atomic Theory

• Isotopes

• Subatomic Particles