Structure of Atoms - Vocabulary

Structure of Atoms - Vocabulary

Multiple Choice

The smallest unit of an element that maintains the properties of that element

• Proton

• Atom

• Nucleus

• Electrons

Multiple Choice

A particle smaller than an atom

• Subatomic Particle

• Atom

• Electrons

• Elements

Multiple Choice

Anything that has mass and takes up space

• Protons

• Gas

• Atoms

• Matter

Multiple Choice

A subatomic particle that has a positive charge and that is located in the nucleus of an atom.

• Subatomic Particle

• Neutron

• Proton

• Electron

Multiple Choice

A subatomic particle that has neutral (neither positive nor negative) charge and is located in the nucleus

• Electron

• Neutron

• Protron

• Atom

Multiple Choice

A subatomic particle that has negative charge and is located outside of the nucleus

• Protrons

• Electrons

• Neutrons

• Subatomic Particle

Multiple Choice

Space outside of nucleus where electrons are likely to be found

• Matter

• Electron area

• Subatomic Particle

• Electron Cloud

Multiple Choice

The number of protons in the nucleus of an atom

• Atomic Number

• Atomic Mass

• Atomic Symbol

Multiple Choice

The weighted average of the masses of all naturally occurring isotopes of an element

• Atomic Number

• Atomic Mass

• Atomic Symbol

Multiple Choice

Symbol one to three symbols long representing an element

• Atomic Number

• Atomic Mass

• Atomic Symbol

Multiple Choice

An electron that is found in the outermost shell of an atom and determines the atom’s chemical properties

• Boron Electron

• Positive Electrons

• Valence Electron

Multiple Choice

Diagrams that depicts a positively charged nucleus and negatively charged electrons in rings outside of the nucleus

• All Models

• Bohr Model

• 3-D Models

Multiple Choice

Substance that cannot be broken down into simpler substances

• Periodic Table

• Elements

• Atomic Number

• Groups

Multiple Choice

Gases that are very stable and unreactive, located in Group 18 of the Periodic Table of Elements

• Noble Gas

• Periods

• Groups

• All non-metals

Multiple Choice

Vertical column of elements in the periodic table that have similar properties

• Period

• Groups

Multiple Choice

Horizontal row of elements in the Periodic Table whose properties change gradually and predictably

• Groups

• Periods

Multiple Choice

The tendency of a substance to undergo a chemical reaction

• Gasses

• Metals

• Metalloid

• Reactivity

Multiple Choice

Element that has luster, is malleable and ductile and a good conductor of electricity

• Metalloid

• Metal

• Non-metal

• Plasma

Multiple Choice

Element that is usually a gas or brittle solid at room temperature and is a poor conductor of electricity

• Elements

• Metalloid

• Metal

• Non-metal