CHEM CH7:Part 1

Question 1

__: defer to whether an element or compound commonly reacts as atoms, molecules, or a group of ions in a crystal lattice.

Answer 1

Representative/ reactive particles

Question 2

For most __, the appropriate rp will be the atom of the ___, the symbol of the element is used to represent one atom of the ____.
- all blanks are the same word

Answer 2

Elements

Question 3

For _ _ and some _, the appropriate rp is the molecule. The formula represents one molecule of the _ _ or ___.
- all blanks are the same word

Answer 3

Molecular compounds

Elements

Question 4

___ ___: result of covalent bonding between a non-metal and othe non- metals.

Answer 4

Molecular compounds.

Question 5

Sheet metal lab:

• appropriate rp for the zinc metal:
• appropriate rp for molecular compound of hydrochloride.

Answer 5

Zn

HCl

Question 6

The diatomic elements include:

Answer 6

H, O, N, Cl, B, R, I, F.

H2= hydrogen bubbles

Question 7

Ozone

Answer 7

O3

Question 8

Crown/ ring sulfur

Answer 8

S8

Question 9

Buckministerfullerine

Answer 9

C60, trivial name Buckner balls

Question 10

For __ ___, the appropriate rp is the formula unit. The formula unit represents that part of the crystal lattice corresponds to the chemical formula.

Answer 10

Ionic compounds

Question 11

__ __: the mass of an average atom of an element.. This value can be found on periodic table.

Answer 11

Atomic mass

Question 12

__ __: the mass of one molecule of a substance.

Answer 12

Molecular mass

Question 13

__ __: the mass of one formula unit of an ionic compound.

Answer 13

Formula mass