U4 Module 16 - Atoms and The Periodic Table

Front

The vertical (up and down) columns in the Periodic Table are called

Back

groups

Front

The Modern Periodic Table of Elements is arranged by: atomic mass, atomic number, valence electrons, number of isotopes

Back

atomic number

Front

The atomic number tells you what? Options: only the number of electrons, only the number of protons, only the number of neutrons, the number of both electrons and protons in an atom.

Back

only the number of protons

Front

Which subatomic particle has a positive charge?

Back

proton

Front

Which subatomic particle has a negative charge?

Back

electron

Front

Which subatomic particle has a neutral (0) charge?

Back

neutron

Front

__________ are the smallest unit of an element that maintains the properties of the element.

Back

Atoms

Front

Isotopes of an element have different number of ___________ and therefore have different masses.

Back

Neutron

Front

Electron in the outermost energy level are called?

Back

Valence Electron

Front

The majority of the elements in the periodic table are: Non-Metals, Metals, Metalloids

Back

Metals