Which of the following is not true about a catalyst?

Often has to be replaced since it is used up in a reaction.

Retains its original identity and properties.

Lowers the activation energy of the reactants.

Is written about the yield sign in a chemical equation.

How does a chemist balance a chemical equation?

Change the subscripts of compounds.

Subtract formulas that don't balance.

Which of the following is an example of a chemical change?

Bubbles of CO2 gas is formed when baking soda is combined with vinegar

Bubbles that form when you open a pop can

Water collecting on the outside of an ice cold water bottle

All are examples of chemical changes.

Which of the following characteristics IS NOT accurate for the compound type?

Ionic compounds involve two nonmetals or a nonmetal and a metalloid.

Ionic compounds are very soluble in water where covalent compounds are not.

Ionic compounds have higher melting points than covalent compounds.

Ionic compounds exist as crystalline solids at room temperature.

In test tube A, 2.1 g of the reactant is used. In test tube B, 0.6 g of the reactant is used. What can one interpret about the reaction rate?

Test tube B will proceed faster than test tube A.

Test tube A will proceed faster than test tube B.

The chemist has altered the surface area of the reactants.

There will be no difference in reaction rate between the two test tubes.

An everyday practice of placing leftover food in the refrigerator is evidence:

a decrease in temperature slows down the reaction rate.

an increase in temperature speeds up the reaction rate.

a decrease in temperature speeds up the reaction rate.

an increase in temperature slows down the reaction rate.

Which of the following has the greatest entropy?

cannot be determined because amounts of each would affect their entropy readings

The potential energy diagram is:

endothermic and the products have greater energy than the reactants

endothermic and the products have less energy than the reactants

exothermic and the products have greater energy than the reactants

exothermic and the products have less energy than the reactants

Intro. to Chemistry Final Review

Quiz

•

Chemistry

•

9th - 12th Grade

•

Practice Problem

•

Medium

•

NGSS

HS-PS1-4, HS-PS1-5, HS-PS1-7

+8

Standards-aligned

Brittanie Smith

Used 11+ times

FREE Resource

55 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Which subatomic particle identifies an atom?

Proton

Neutron

Electron

Quark

2.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Which subatomic particle determines how an atom reacts?

Proton

Neutron

Electron

Quark

All binary compounds consist of ____________ element(s).

Elements tend to lose, gain, or share electrons in order to acquire the electron configuration of a:

Noble gas

Transition metal

Halogen

Nonmetal

What do all ternary compounds have in common?

Contain a metal

Contain a nonmetal

Contain a monatomic ion

Contain a polyatomic ion

6.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

According to collision theory, in order for a chemical reaction to occur, the reactant atoms must:

Have proper orientation

Form an activated complex

Have a minimum level of energy

Bounce apart

7.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Entropy is a measure of the

acidity of a sample

disorder of a system

concentration of a solution

chemical activity of an element

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55 questions

Which subatomic particle identifies an atom?

Which subatomic particle determines how an atom reacts?

All binary compounds consist of ____________ element(s).

Elements tend to lose, gain, or share electrons in order to acquire the electron configuration of a:

What do all ternary compounds have in common?

According to collision theory, in order for a chemical reaction to occur, the reactant atoms must:

Entropy is a measure of the

What type of reaction is represented in the figure shown?

Which number on the graph represents a catalyst?

Which number on the graph represents the activation energy of the forward reaction?

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