Chemistry Vocab

Question 1

Anion

Answer 1

an ion which has gained one or more electrons, gaining a negative charge.

Question 2

Cation

Answer 2

an ion which has lost one or more electrons, gaining a positive charge.

Question 3

Ion

Answer 3

A particle, atom, or molecule with a net electric charge (+ or -) caused by an inequality between protons and electrons.

Question 4

Polyatomic Ion

Answer 4

An ion comprised of more than one atom.

Question 5

Ionic compound

Answer 5

metal + nonmetal, or metal + polyatomic ion.

Question 6

Covalent compound

Answer 6

nonmetal + nonmetal

Question 7

Polar Molecule

Answer 7

geometric asymmetry, asymmetrical electron distribution around molecule

Question 8

Non-polar molecule

Answer 8

electronegatively and/or geometrically symmetrical

Question 9

Dipole moment

Answer 9

a separation of the charge around a molecule into a more negative area and a more positive area

Question 10

Polyvalent element

Answer 10

an element than can form ions of multiple different charges.