Vocabulary 5 Quiz

A horizontal row of elements in the periodic table

• Period
• Group
• Block
• Atomic number

A vertical column of elements in the periodic table

• Group
• Period
• Block
• Atomic Number

The electrons in the outermost shell of an atom

• Valence Electrons

• Protons

• Neutrons

• Isotopes

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

a region around the nucleus of an atom where electrons are likely to be found

• Electron Cloud

• Proton shell
• Neutron shell
• Atomic shell

Center of an atom

• Electron
• Proton
• Neutron
• Nucleus

An atom or group of atoms that has a positive or negative charge.

• Ion
• Molecule
• Compound
• Element

two or more forms of the same element that contain equal numbers of protons but different numbers of neutrons in their nucleus

• Isotopes
• Ions
• Molecules
• Compounds

an element that is shiny and that conducts heat and electricity well

• Metal
• Nonmetal

• Plastic
• Glass

an element that is a poor conductor of heat and electricity

• Metal
• Non-Metal
• Alloy
• Semi-Conductor

elements with properties that fall between those of metals and nonmetals

• Noble gases
• Alkali metals
• Metalloids
• Alkaline earth metals