A&P Ch 2 Inorganic Chemistry

What are valence electrons?

• positive particles in the nucleus

• negative particles in the 2nd energy level

• positive particles in the outer energy level

• negative particles in the outer energy level

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

What are the names of the particles in the nucleus?

• protons and neutrons
• protons and electrons
• photons and neutrons
• nucleons and protons

Tags

NGSS.MS-PS1-1

Atoms that have the same atomic numbers but different atomic masses are

• catalysts

• isotopes

• cations

• anions

An ion is

• an atom that is electrically charged

• an atom has gained an electron

• an atom that has lost an electron

• all of the above

An ionic bond is created by

• a positive and a negative ion attracting each other

• two or more positive ions combining

• two or more negative ions combining

In forming a covalent bond, electrons are

• shared by two atoms

• given up by two atoms

• taken up by an atom

• none of the above

Tags

NGSS.HS-PS1-1

Water is formed by molecules of hydrogen and oxygen united by a (a)   bond.

A compound is formed when molecules of (a)   elements combine.

Tags

NGSS.MS-PS1-1

A double arrow represents a(n) (a)   reaction.

An electrolyte that releases hydrogen ions in water is a(n) (a)   .