This is the Lewis dot diagram of the carbon atom. What does having four valence electrons allow carbon to do?

Carbon can form four covalent bonds with other atoms.

Carbon can form one covalent bond with other atoms.

Carbon can form two covalent bonds with other atoms.

Carbon can form three covalent bonds with other atoms.

Which equation represents a double replacement reaction?

Pb(NO 3 ) 2 + 2KI → 2KNO 3 + PbI 2 (s)

none of the choices are double replacement reactions.

In an endothermic reaction...

products have more energy than reactants

products have less energy than reactants

products and reactants have equal energy

Heat packs warm up after they are activated to produce heat in emergency situations. What type of chemical reaction must be involved for heat packs to work?

the reaction is exothermic and gives of energy

the reaction is exothermic and absorbs energy

the reaction is endothermic and absorbs energy

the reaction is endothermic and gives off energy

At high pressure and low temperature

gases are most soluble in liquids

salts are most soluble in liquids

there are fewer collisions of gas particles

solubility of gases is not affected

kinetic collision theory states:

a chemical reaction will occur when particles collide with sufficient energy and orientation

the atom is the smallest indivisible unit of nature

an increase in moles will increase pressure

matter is not created or destroyed in a chemical reaction

In the mason jar, liquid water and water vapor were at equilibrium. This would indicate that...

the rate at which liquid water becomes water vapor and water vapor condenses is equal

the mass of liquid and vapor water were equal

the number of water gas and liquid water particles were equal

the concentration of liquid water and water vapor is equal

6CO 2 +6H 2 O + energy <=> C 6 H 12 O 6 +6O 2 This is the chemical reaction for photosynthesis. It requires a constant input of solar radiation in order to make sugar and oxygen gas. Which of the following statements is true.

if it gets warmer more oxygen will be produced

If it gets colder, the reaction will shift to the right

if it gets warmer, the reaction will shift to the left

if it gets colder, more sugar will be produced

What happens when the pressures of carbonic acid (product) and water and carbon dioxide (reactants) become constant and level?

the rates of forward and reverse reaction become equal

concentrations will remain constant but the reaction will continue

What describes a solution of NaOH?

the solution has a pH of more than 7

the solution has a pH of less than 7

What does 2.3 M (molar) indicate?

moles per liter (concentration)

When HCl dissolves in water, it donates its hydrogen ion (a proton) and increases the H + concentration. What does HCl act as in this situation?

both Arrhenius and Bronsted-Lowry acid

Diamonds are made from a network of covalently bonded carbon atoms. Why can carbon make a variety of organic compounds?

carbon has four valence electrons and can covalently bond with many other types of atoms

Carbon can form double and triple bonds

carbon has a tetrahedral molecular geometry

Chemistry EOC Review 2024

Authored by William Horback

Chemistry

9th - 12th Grade

NGSS covered

Used 31+ times

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40 questions

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MULTIPLE CHOICE QUESTION

1 min • 1 pt

How does a scientific theory become a law?

A hypothesis is written on how/why there is a relationship between two variables.

Possible explanations are given for the relationship between two variables.

Many scientists give evidence for the relationship between two variables.

One scientist finds evidence for a relationship between two variables.

Tags

NGSS.HS-PS2-1

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which is the correct Lewis dot diagram for potassium?

Tags

NGSS.HS-PS1-1

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What happens when sodium reacts with fluorine to form sodium fluoride?

Electrons are shared and the bonding is ionic.

Electrons are shared and the bonding is covalent.

Electrons are transferred and the bonding is metallic.

Electrons are transferred and the bonding is ionic.

Tags

NGSS.HS-PS1-2

NGSS.HS-PS1-1

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Covalent bonds occur between two nonmetals. What types of atoms make ionic bonds?

two nonmetals

two metal atoms

a metal and a nonmetal

noble gases

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which is the correct formula for the compound Iron(II) chlorate?

Fe(ClO₃)₂

Fe₂(ClO₃)₁

Fe(ClO₃)₃

Fe₃(ClO₃)₂

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What two pure substances are present in this solution?

Water is the only pure substance.

The ionic solid represented by big green atoms and small white atoms is the only pure substance.

Water and the ionic solid are the two pure substances.

The solution of dissociated ions and water is a pure substance.

Tags

NGSS.MS-PS1-1

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which diagram represents the bonding in lithium chloride?

Tags

NGSS.HS-PS1-3

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Chemistry EOC Review 2024

How does a scientific theory become a law?

Which is the correct Lewis dot diagram for potassium?

What happens when sodium reacts with fluorine to form sodium fluoride?

Covalent bonds occur between two nonmetals. What types of atoms make ionic bonds?

Which is the correct formula for the compound Iron(II) chlorate?

What two pure substances are present in this solution?

Which diagram represents the bonding in lithium chloride?

This is the Lewis dot diagram of the carbon atom. What does having four valence electrons allow carbon to do?

What is the molar ratio of carbon dioxide to oxygen when the following reaction is balanced?
CH₄ + O₂ → H₂O + CO₂

HCl + Fe₂O₃ → FeCl₃ + H₂O
Balance the above equation and determine the molar ratio of Iron(III) Oxide to Iron(III) chloride?

Access all questions and much more by creating a free account

Similar Resources on Wayground

Popular Resources on Wayground

Discover more resources for Chemistry

Chemistry EOC Review 2024

How does a scientific theory become a law?

Which is the correct Lewis dot diagram for potassium?

What happens when sodium reacts with fluorine to form sodium fluoride?

Covalent bonds occur between two nonmetals. What types of atoms make ionic bonds?

Which is the correct formula for the compound Iron(II) chlorate?

What two pure substances are present in this solution?

Which diagram represents the bonding in lithium chloride?

This is the Lewis dot diagram of the carbon atom. What does having four valence electrons allow carbon to do?

What is the molar ratio of carbon dioxide to oxygen when the following reaction is balanced?CH4 + O2 → H2O + CO2

HCl + Fe2O3 → FeCl3 + H2OBalance the above equation and determine the molar ratio of Iron(III) Oxide to Iron(III) chloride?

Access all questions and much more by creating a free account

Similar Resources on Wayground

Popular Resources on Wayground

Discover more resources for Chemistry

What is the molar ratio of carbon dioxide to oxygen when the following reaction is balanced?
CH₄ + O₂ → H₂O + CO₂

HCl + Fe₂O₃ → FeCl₃ + H₂O
Balance the above equation and determine the molar ratio of Iron(III) Oxide to Iron(III) chloride?