What is the meaning of the word atom?
What is : not about to be divided
Neutron is _______ charged
What is : uncharged/ neutral
A carbon atom with 6 protons, 6 electrons and 6 neutrons would have a mass number of?
What is : 12
what two particles make up an atom's nucleus?
What is : protons and neutrons
LiF
Lithium Fluoride
The positively charged particle
What is : A proton
electrons are _____ charged
What is : negatively
If hydrogen-1 has 1 proton, how many protons does hydrogen-2 have?
What is : 1
How does the mass of an electron compare to the mass of protons and neutrons?
What is : It is much smaller
CuBr
Copper Bromide
The smallest unit of an element that can exist either alone or in combination with other such particles of the same or different elements is the _____
What is : atom
The current atomic theory includes the ________ model
What is : Bohr
Chlorine has atomic number 17 and mass number 35. How many neutrons are in it's nucleus?
What is : 18 neutrons
The number of electrons that the first shell can hold
What is : 2
PCl
Phosphorous Pentachloride
In an atom, which has the least mass? A: nucleus B: proton C: neutron D: electron
What is : electron
The sum of protons and neutrons in the nucleus.
What is : atomic mass
This element has the symbol Hg
What is Mercury?
A substance that is made up of only one kind of atom is a(an)
What is : element
SeBr4
Selenium Tetrabromide
What do we use to determine the number of neutrons in the nucleus of an atom? (We remove the protons from this number)
What is : The atomic mass
An atom is electrically neutral because
What is :the numbers of protons and electrons are equal.
The atomic number of Tungsten
What is : 74
What is the symbol for aluminum
What is: Al
N2O5
Dinitrogen Pentaoxide