atomic theory
who discovered the nucleus
Ernest Rutherford
which state of matter ( solid, liquid or gas ) has the strongest bonds between particles
solids
atomic number for K
19
what units are used for mass
G
how many electrons can in the first shell
2
who discovered the atom
john dolton
What happens to matter as its temperature increases
the particles move rapidly
what is the atomic number of Ir
77
what is the density of water
1g
what group has 7 valence electrons
group 7
what are the 3 components of an atom
protons neutrons and electrons
what explains why particles in matter behave
Kinetic Molecular Theory
what is the symbol for Tungsten
W
what is the formula for density
d=m/v
what is the number of protons on S
16
what did the gold foil test discover
that atoms are mostly empty space with a tiny dense
a proton and a neutron make up what part of the atom
nucleus
what is the atomic mass of V
51
two objects with the same density have how much volume
the same mass and volume
how many can electrons fit in the second shell
8
what atomic theorist did the cathode ray tube and what did it descover
Thomson and it discovered that there was negativity charged electrons
what state of matter takes on the volume and shape of its container
gas
number of neutrons in Nickle
30
A certain liquid sample has a volume of 14.7 ml and a mass of 22.8 g. What is the density of the sample
1.55g
how many shells do you need for argon
3