Periodic Table

the positively charged subatomic particle contained in the nucleus of an atom

• proton

• neutron

• electron

• matter

a subatomic particle, contained in the nucleus of an atom, having the same mass as a proton but no electrical charge

• proton

• neutron

• electron

• matter

a negatively charged subatomic particle that orbits the nucleus of an atom

• proton

• neutron

• electron

• matter

an arrangement of the elements according to their atomic numbers so that elements with similar properties are in the same column and properties repeat from row to row

• Periodic Table of Elements

• Atomic Theory

• Isotopes

• Subatomic Particles

a unique number for each element that equals the number of protons in an atom of that element

• element name

• element symbol

• atomic number

• atomic mass

the mass of an atom, calculated by adding the number of protons and neutrons in the nucleus of the atom

• element name

• element symbol

• atomic number

• atomic mass

a grouping of elements based on similar properties, arranged by columns in the periodic table

• group/family

• period

• row

• isotope

a row on the Periodic Table of Elements

• family

• period

• row

• isotope

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

one of several forms of a single element, which contains the same number of protons, but different numbers of neutrons

• isotope

• ion

• orbital

• nucleus

Sodium (Na) is found in period 

• 3
• 2
• 4
• 1

Tags

NGSS.HS-PS1-1