AROMA 305 Chemistry Exam #1 Questions with correct
answers
Which particles are located in the nucleus and prevent positive charges from
repelling each other?
Electrons and neutrons
Electrons and protons
Only electrons
Only neutrons - ✔✔only neutrons
Which two particles will repel each other?
Electron and electron
Electron and proton
Neutron and proton
Neutron and neutron - ✔✔electron and electron
Two electrons carry the same charge and will repel each other.
Atoms of the same element can have different properties. - ✔✔False
All atoms of the same element should have identical properties.
Which two particles will attract each other?
,Electron and electron
Electron and proton
Neutron and proton
Neutron and neutron - ✔✔Electron and proton
Electrons and protons carry opposite charges and will attract each other.
Which particles are electrically charged?
Electrons and neutrons
Electrons and protons
Neutrons and protons
Only electrons - ✔✔Electrons and protons
Which particles orbit the nucleus?
Electrons and neutrons
Electrons and protons
Neutrons and protons
Only electrons - ✔✔only electrons
Which atom has six electrons and six protons?
, Carbon
Hydrogen
Nitrogen
Oxygen - ✔✔Carbon
Which is the smallest atom?
Carbon
Hydrogen
Nitrogen
Oxygen - ✔✔Hydrogen
1 proton, 1 electron, 1 neutron
Elements are made of indivisible particles called __________.
Atoms
Compounds
Molecules
Protons - ✔✔atoms
Which atom contains eight electrons and eight protons?
Carbon
Hydrogen
answers
Which particles are located in the nucleus and prevent positive charges from
repelling each other?
Electrons and neutrons
Electrons and protons
Only electrons
Only neutrons - ✔✔only neutrons
Which two particles will repel each other?
Electron and electron
Electron and proton
Neutron and proton
Neutron and neutron - ✔✔electron and electron
Two electrons carry the same charge and will repel each other.
Atoms of the same element can have different properties. - ✔✔False
All atoms of the same element should have identical properties.
Which two particles will attract each other?
,Electron and electron
Electron and proton
Neutron and proton
Neutron and neutron - ✔✔Electron and proton
Electrons and protons carry opposite charges and will attract each other.
Which particles are electrically charged?
Electrons and neutrons
Electrons and protons
Neutrons and protons
Only electrons - ✔✔Electrons and protons
Which particles orbit the nucleus?
Electrons and neutrons
Electrons and protons
Neutrons and protons
Only electrons - ✔✔only electrons
Which atom has six electrons and six protons?
, Carbon
Hydrogen
Nitrogen
Oxygen - ✔✔Carbon
Which is the smallest atom?
Carbon
Hydrogen
Nitrogen
Oxygen - ✔✔Hydrogen
1 proton, 1 electron, 1 neutron
Elements are made of indivisible particles called __________.
Atoms
Compounds
Molecules
Protons - ✔✔atoms
Which atom contains eight electrons and eight protons?
Carbon
Hydrogen
