An atom that has gained or lost an electron and now has a positive or negative charge
An ion
100
Neutrons in carbon-14?
What are 8 neutrons?
200
Definition of atomic number
What is the number of protons or the number of electrons in a neutral atom of an element?
200
Mass number of neon
What is 20 amu?
200
A bond that forms between opposite charged molecules caused by the loss or gain of electrons.
Ionic Bond
200
Neutrons in Ti-50?
What are 28 neutrons?
300
This neutral atom has 33 electrons
What is arsenic?
300
Definition of mass number
What is the number of protons plus neutrons in an atom of an element?
300
A concept of chemical bonding theory that is based on the assumption that atoms tend to have either empty valance shells or full valance shells of 8 electrons.
Octet Rule
300
Element with atomic number 17 and 20 neutrons
What is Chlorine-37?
400
This element has 16 neutrons and a mass number of 32 amu
What is Sulfur?
400
Mass number of atom with 36 protons and 48 neutrons
What is 84 amu?
400
When bonds break, energy is 1)________________. When bonds form, energy is 2) ______________
When bonds break, energy is 1) NEEDED/ABSORBED. When bonds form, energy is 2) RELEASED.
400
Definition of an isotope
What are atoms of the same element that have different mass numbers or different numbers of neutrons?
500
Atomic number of the isotope Carbon-14
What is 6?
500
Element and mass number of a neutral atom with 30 electrons and 35 neutrons
What is Zinc-65?
500
Forms as a result of sharing of electrons. Form between non-metals.