Exam 3

Question 1

The __________ is the distance between two consecutive peaks or troughs in a wave

Answer 1

Wavelength

Question 2

The energy chsnge that occurs when an electron is added to an isolated neutral atom is called the atom’s _________________

Answer 2

Electrom affinity

Question 3

The sum if the electromagnetic interactions between ions in a solid that must be overcome to break a crystal into individual ions is the ______________

Answer 3

Lattice energy

Question 4

A bond that is imagined as being created by two atoms sharing electrons is a ________ bond

Answer 4

Covalent

Question 5

A substance whose molecules contain one or more unpaired electrons is ____________

Answer 5

Paramagnetic

Question 6

A __ bond is a covalent bond formed by sideways overlap of orbitals in which shared electrons occupy a region above and below a line connecting the two nuclei

Answer 6

Pi

Question 7

sp^2 hybrid orbitals have _______________ geometry

Answer 7

Trigonal planar

Question 8

______________ forces are th attraction responsible for holding particles together in thr liquid and solid phases

Answer 8

Intermolecular

Question 9

In the bragg equation, _ represents the wavelength

Answer 9

Wavelength symbol