Structure
The basic units of matter and the smallest unit of a single element.
What is an atom?
The number of protons in the nucleus of an atom, which determines the chemical properties of an element and its place in the periodic table.
What is the atomic number?
The number of electrons that can fit in the first energy level.
What is two?
The ratio of sodium (Na) and chlorine (Cl) when ionically bonded.
What is 1:1?
The small, dense center of an atom, made up of protons and neutrons
What is the nucleus?
The number of protons and neutrons in a nucleus is known as this.
When an atom has extra electrons, it has a negative _____.
What is charge?
The charge Cesium (Cs) will have when it is an ion.
What is 1+?
Chargeless particles found within all atomic nuclei.
What are neutrons?
Atoms that have the same number of protons but different numbers of neutrons.
What are isotopes?
An atom with a net electric charge (either + or -) due to the loss or gain of electrons.
What is an ion?
The charge Arsenic (As) will have when becoming an ion.
What is 3-?
The number of neutrons found in the most common form of helium.
What is two?
Elements in the same row share the same number of electrons shells.
What is a period?
Elements in the same group have the same number.
What are valence electrons?
The ratio of calcium to bromine when ionically bonded.
What is 1:2?
What is empty space?
The majority of the periodic table is classified as this type of element.
What are metals?
An atom that has less electrons than protons
What is a cation?
What types of element forms anions in ionic bonds?
What are nonmetals?