Matter - definitions set

"boil" is the action of

• changing a liquid to a gas/vapor

• changing a gas/vapor to a liquid

• changing a solid to a liquid

• changing a liquid to a solid

all matter is made of

• energy

• atoms

• electrons

• compounds

The positive particles of an atom are 

• electrons 
• positrons 
• neutrons 
• protons 

the central region of an atom where its neutrons and protons are is its 

• nucleus 
• electron cloud
• core 
• center 

particles in an atom that are neutral and have no charge are...

• negatrons

• electrons

• neutrons

• protons

True or False? Neutrons have a negative charge

• True
• False

the atomic number for an element with three protons is...

• 2

• 1

• 3

• 6

a particle that moves around the outside of the nucleus is a(n)...

• proton

• neutron

• electron

• quark

in the modern periodic table, elements are arranged by...

• atomic mass

• atomic number

• electron shells

• isotope number

the 1.00794 stands for...

• hydrogen

• atomic number

• atomic mass

• protons