Toggle Navigation
Games
Blog
Class PIN
Join for Free
Sign in
Toggle Navigation
Games
PIN
Join for Free
Blog
Pricing
Contact us
Help center
Sign in
Study
Building blocks
0
%
0
0
0
Back
Restart
what does the mass number tell you
how many protons and neutrons there are in the atom
Oops!
Okay!
what is an atom
the basic building blocks of all materials
Oops!
Okay!
how many electrons can go on the first shell
2
Oops!
Okay!
C
carbon
Oops!
Okay!
what is an element
a substance made up of only one type of atom
Oops!
Okay!
How many electrons can go on the second and third shell
up to 8
Oops!
Okay!
K
potassium
Oops!
Okay!
what does the atomic number tell us
how many protons (which is the same as the number of electrons) there are in one atom of the element
Oops!
Okay!
what is a compound
When a molecule is made up of two or more different types of elements chemically combined
Oops!
Okay!
what is a molecule
is formed when two or more atoms join (bond) together chemically
Oops!
Okay!
what was the name of the scientist that first suggested the electrons were on the shell orbiting the nucleus
Niels Bohr
Oops!
Okay!
Cl
chlorine
Oops!
Okay!
what is the charge of the proton
positive
Oops!
Okay!
what is the periodic table
shows a list of all the elements
Oops!
Okay!
Na
sodium
Oops!
Okay!
what is the mass of an electron
1/1840 amu
Oops!
Okay!
where is the neutrons location
nucleus
Oops!
Okay!
Be
Beryllium
Oops!
Okay!
what are the sub-atomic particles
protons, neutrons and electrons
Oops!
Okay!
O
oxygen
Oops!
Okay!
Your experience on this site will be improved by allowing cookies.
Allow cookies