What are isotopes?
Atoms with the same number of protons but different numbers of neutrons
What do Ions do In your body?
Transmit nerve signals, and contract muscles including the heart
What are Atoms?
The smallest part of a substance that cannot be broken down chemically
What do periodic groups determine?
the number of valence electrons in an element
True or False?
Every element does not have an isotope.
False
What are Ions?
an atom or group of atoms that has an electric charge
What Is found in an atom?
Atoms are the building blocks of matter
What is an periodic table ?
a tabular array of the chemical elements organized by atomic number.
Why are Isotopes used In medicine?
It kills cancer cells
True or False
Negative Ions does not promote well being?
False
True or False??
An atom is mostly empty space due to the large distance between the nucleus and electrons.
True
What are the first 5 elements?
Hydrogen, helium, lithium, beryllium, and boron
Who discovered Isotopes?
Frederick Soddy / Francis William Aston
What Ions does humans need?
sodium, chloride, potassium, calcium, and magnesium