Question

Which atom would be neutral?

A.) an oxygen atom with 16 electrons, 18 protons, and 16 neutrons

B.) an oxygen atom with 9 electrons, 8 protons, 8 neutrons

C.) an oxygen atom with 8 electrons, 8 protons, and 9 neutrons

D.) an oxygen atom with 4 electrons, 6 protons, and 4 neutrons

Answer 1

Which phrase correctly describes the molecular structure within a molecule?(1 point)
A the location of atoms, groups, or ions relative to one another and the number, type, and location of covalent bonds

B long, repeating chains of molecules

C the smallest fundamental unit of a compound that participates in reactions, represented by a bonded group of atoms

D the basic unit of a chemical element

Answer 2

Which is an example of a polymer?
A. diamond
B. carbon monoxide
C. sodium chloride
D. cellulose

Answer 3

verified
Which type of model best represents simple molecules?
> ribbon
> wire
> Lewis dot
> structural formula

Answer 4

A central atom has two lone pairs on opposite sides and four single bonds. What is the molecule geometry of the result?
A. octahedral

B. tetrahedral

C. square planar

D. linear

Answer 5

C) an oxygen atom with 8 electrons, 8 protons, and 9 neutrons

Answer 6

A) the location of atoms, groups, or ions relative to one another and the number, type, and location of covalent bonds

Answer 7

D. cellulose

Answer 8

Lewis dot

Answer 9

C. square planar