atoms
What is an atom?
The smallest part of an element that can exist
What are isotopoes?
Isotopes are two or more types of atoms that have the same atomic number
O means....?
oxygen
what are IONS
any atom or group of atoms that bears one or more positive or negative electrical charges
how long does a flag match last?
50 min
does the atoms of an element are the same?
yes
carbon 12, carbon 13 and carbon 14 are isotopes of.....
carbon
B means ...?
boron
What type of atom is this?
5 Protons
6 Electrons
6 Neutrons
Negatively Charged
What was the first animated movie in history?(Disney)
Snow White
What is an atomic number?
The number of protons in an atom
how do you get an isotopoe?
if a neutron is added to an atom, it becames an isotope
atomic number of zinc....?
30
When you have more protons than electrons it is a..._________ charged
name of maleficent´s raven
diablo
Protons+neutrons=??
mass number
when was the existence of isotopes first suggested?
The existence of isotopes was first suggested in 1913
atomic number of nickel....?
28
this is a _______charged
6 Protons
6 Neutrons
5 Electrons
Positively charged
how many flags are on the world?
230 flags
how many types of atoms are?
92
what elements have no isotope
the first 82 elements from hydrogen to lead, with two exceptions, technetium and promethium, which do not have any stable isotopes
atomic number of C...?
6
More electrons than protons...___________charged
negatively charged
When was the russian revolution?
march 8 1917