Chapter 20 Physical Science

A polyatomic ion is another name for a ___ ion.

• positive
• complex
• negative
• neutral

What is the difference between carbon monoxide and carbon dioxide?

• Carbon dioxide has only one oxygen atom.
• Carbon monoxide has two carbon atoms.
• Carbon monoxide has only one oxygen atom.
• Carbon dioxide has two carbon atoms.

Tags

NGSS.MS-PS1-1

Compounds that are hydrates contain what ingredient?

• nitrogen
• water
• hydrogen chloride
• chlorine

Tags

NGSS.HS-ESS2-5

A complex ion is ___.

• an ion made from a large atom
• a single atom that has formed an ion
• only found in compounds
• an ion with more than one atom

A binary compound made with phosphorus will end with the word __.

• phosphate
• phosphorus
• phosphite
• phosphide

For an ion, the oxidation number is ___.

• one less than the charge on the ion
• the same as the charge on the ion
• zero
• always negative

Binary compounds are composed of ___ atoms.

• two
• one
• four
• many

Tags

NGSS.MS-PS1-1

A molecule of oxygen gas (O__2) is ___.

• nonpolar
• polar
• ionic
• an atom

When elements form bonds, it changes their ___ properties.

• chemical
• physical
• mass
• chemical and physical

Is a molecule of hydrogen chloride (HCl) polar or nonpolar?

• nonpolar
• neither
• polar
• both