Nature of Matter
Atomic Structure
Chemical Bonding
Periodic Table
100

This state of matter has free-moving particles but is not compressible.

What is a liquid
100

This charged particle is found in the nucleus.

What is a proton

100

This type of bonding occurs between nonmetal atoms.

What is covalent (bonding)

100

This element has 2 valence electrons and is in period 4.

What is calcium

200

A heterogeneous mixture of a solid and a liquid is known as this.

What is a suspension

200

Chlorine and potassium ions are isoelectronic with this noble gas.

What is argon

200

This is the source of the attraction that keeps ions together in a metallic lattice.

What are delocalized electrons

200

An element that is solid, conducts electricity, and has colored compounds is likely to be in what part of the table?

What are the transition metals

300

This property will increase if a gas in a sealed container is heated.

What is pressure

300

This ion has a charge of 2- and 10 total electrons.

What is oxide

300

This solid, amongst those listed below, has the highest melting point.

Na           CaO          S           KCl

What is calcium oxide (CaO)

300

This group of the PT is the only one to include every state of matter.

What is group 7 (halogens)

400

This gas, amongst those listed below, will diffuse the fastest:

Cl2        C2H6        NH3        SiCl4  

What is NH3 (ammonia)

400

This element has two major isotopes with mass 79 and 81.

What is bromine

400

This substance, amongst those listed below, makes a conductive solution.

calcium carbonate (CaCO3)          graphite

ethanol (C2H6O)              hydrochloric acid  (HCl)  

What is hydrochloric acid

400

This element has the lowest boiling point of any substance and forms no compounds.

What is helium