Georgia Milestone Science Review

Electric charge that has accumulated on an object is referred to as ____. 

• circuit electricity

• current electricity

• current circuit

• static electricity

A material through which electrons do NOT easily flow is a(n) ____. 

• transformer

• fuse

• insulator

• conductor 

Lightning is ____. 

• a large discharge of static electricity

• buildup of neutrons

• a high-voltage electric current 

• harmless 

Each inner energy level of an atom has a maximum number of ____ it can hold. 

• electrons

• neutrons 

• quarks

• protons

Horizontal rows of the periodic table are called ____. 

• groups

• families

• clusters 

• periods

Atoms of the same element with different numbers of neutrons are called ____.

• isotopes

• radioactive elements

• metalloids

• metals

Elements that are gases, are brittle, and are poor conductors at room temperature are ____.

• isotopes

• nonmetals

• metalloids

• metals 

A certain atom has 26 protons, 26 electrons, and 30 neutrons. Its mass number is ____.

• 26

• 30

• 53

• 56

Explain why the noble gases are stable.  

• Complete outer Shell

• They are better than you

• They are royalty

• Better electrons

Compare the masses of protons, electrons, and neutrons.

• Protons and neutrons are the same ,electrons have a smaller mass

• electrons are heaver

• protons are lighter

• neutrons are lighter