AROMA 305 Chemistry Exam #1 Questions with correct answers

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