What do you call the same element with a different number of neutrons.
What is an isotope?
How many protons and neutrons does Iron have?
26 protons and 30 neutrons
This particle has no charge and helps to keep the nucleus in tact.
What is a neutron?
The atomic number is the same as the number of this subatomic particle.
What is a proton?
Which Scientist developed the 'Plum Pudding' Model?
Who's is JJ Thomson
How many protons and electrons does Be+2 have?
4 protons and 2 electrons
This subatomic particle is located in the cloud.
What is an electron?
This is what it is called when you have more protons than electrons
What is an Positive Ion?
Which Scientist organized the first periodic table based on Atomic Mass?
Dimitri Mendeleev
Which scientist in History came up with the term 'Atomus' meaning Indivisible?
Democritus
These 2 subatomic particles belong in the nucleus
What are protons and neutrons?
This is the formula for the number of neutrons
What is atomic mass - atomic number
How many electrons does H have?
1 electron
What number goes into the top left corner on the nuclear notation?
What is atomic mass?
Which particle(s) that account for the mass of an atom?
What is protons and neutrons?
Magnesium-25 has this number of neutrons.
What is 13 neutrons?
The element with a mass # of 23
What is Sodium?
What number gets used in hyphen-notation
What is atomic mass?