Chemistry Multiple Choice

The Bohr diagram represents an

atom of potassium

How many valence electrons are shown in the bohr diagram below?

7

Which of the following Lewis Dot Diagrams represents Boron?

It gains 2 electrons

An element has fulfilled the octet rule. Its electron orbit arrangement is most likely:

b. 2,8,8

Ionic Bonds are generally formed between

A metal and non-metal

Chlorine will form an ionic bond with

Magnesium

Covalent bonds are due to the

sharing of electrons by two atoms

Which of the following is a covalent compound held together by covalent bonds?

Which of the following polyatomic ions have names that end in ate?

i.CLO3-

ii. OH-

iii. PO4 3-

iv. HCO3 2-

v. SO3 2-

a. ii, iii, and iv

The name of the compound CaO is

Select the corresponding name

Fe(Clo3)3 - iron(III) Chlorate

What is the formula for rubidium nitride?

Rb3N

What is the name of the compound of the KMnO4

Potassium Permanganate

The name for PtI2

Platinum (II) Iodide

Which of the coeficcients balances the chemical equation below?

“Use a paper to know how to balance”

2,3,1,3

Which skeleton equation accurately describes the reaction below?

Iron (III) oxide is exposed to carbon Monoxide gas resulting in the formation of solid iron and carbon monxide.

Fe2O3 + CO > Fe + CO2

What type of reaction is shown below?

___Fe + ___H2SO4 > ___Fe2(SO4)3 + ___H2

Single Displacement

Which of the following is an acid?

H2SO4

What are the products of a simple simple neutralization reaction?

Water and Salt