Properties of Matter Quest

What is the simplest form of matter, and is a pure substance?

• neutron
• element
• the electron cloud
• atom

What is the smallest particle of an element that still has the properties of that element.

• electron
• atom
• proton
• compound

What is found in the nucleus of an atom?

• electrons
• protons
• neutrons
• protons and neutrons

What is the name of the negatively charged space surrounding the nucleus?

• electron cloud
• neutron
• nonmetals
• average atomic mass

What is the name of the positive particle in the nucleus?

• electron
• neutron
• proton
• positron

What from the periodic table tells us the number of protons in an atom?

• electron cloud
• atomic number
• symbol
• atomic mass

True or false: In a neutral atom, the number of protons = the total number of electrons.

• True
• False

Between the nucleus and electron cloud, opposite electrical charges attract, this is what holds the atom together.

• true
• false

Negative particle outside of the nucleus in the electron cloud.

• proton
• neutron
• electron

In what phase of matter are the atoms of the element Neon the closest together?

• solid
• liquid
• gas