Recent Lessons

Show all results for ""

Feature Overview

Ace your exams with our all-in-one platform for creating and sharing quizzes and tests.

Quizzes

Create quizzes and tests automatically from your content using AI.

Flashcards

Automatically turn your notes into digital flashcards.

Share, Export & Embed

Share with classmates or export to Excel and your learning management system.

Stats & Reporting

Auto-grading quizzes and tests with detailed stats and reports.

Mobile Apps

The smarter way to study – wherever you are.

Pricing

Search...

Scientific Method and Chemical Elements Quiz

15 Questions

3 Views

Scientific Method and Chemical Elements Quiz

Choose a study mode

Play Quiz

Study Flashcards

Spaced Repetition

Chat to lesson

Podcast

Play an AI-generated podcast conversation about this lesson

Questions and Answers

What is the first step in the scientific method?

Design and perform experiments to test the hypothesis

Form a hypothesis

Make an observation (correct)

Accept or modify the hypothesis based on the experimental results

Why are about 25 elements essential to life?

Because these elements are highly reactive

Because they are used to form compounds necessary for living organisms (correct)

Because they are the most abundant elements in the universe

Because these elements are found in large quantities in nature

What is the structure of an atom?

Protons, electrons, and isotopes

Molecules, ions, and isotopes

Protons, neutrons, and electrons (correct)

Neutrons, ions, and atomic mass

Which type of bond is a substance consisting of two or more different elements in a fixed ratio?

Covalent bond Signup and view all the answers

What makes up about 96% of the weight of most living organisms?

Oxygen, carbon, nitrogen, and hydrogen Signup and view all the answers

What is the last step in the scientific method?

Use the results to make a new hypothesis Signup and view all the answers

What type of bond is formed when electrons are transferred between two atoms?

Ionic bond Signup and view all the answers

Which type of bond results in electrons being shared equally between two atoms?

Non-polar covalent bond Signup and view all the answers

What is the role of hydrogen bonds in water's behavior?

Causing high surface tension Signup and view all the answers

In which type of solution is water the solvent?

Aqueous solution Signup and view all the answers

What is the pH range of the pH scale?

0 to 14 Signup and view all the answers

What do buffers do in relation to pH?

Minimize changes in pH Signup and view all the answers

What is an element in chemistry?

A substance that cannot be broken down into other substances Signup and view all the answers

What do isotopes of an element have in common?

Same number of protons and neutrons Signup and view all the answers

What type of bond results from a partial positive charge on hydrogen?

Hydrogen bond Signup and view all the answers

Scientific Method and Chemical Elements Quiz

Choose a study mode

Podcast

Questions and Answers

What is the first step in the scientific method?

Why are about 25 elements essential to life?

What is the structure of an atom?

Which type of bond is a substance consisting of two or more different elements in a fixed ratio?

What makes up about 96% of the weight of most living organisms?

What is the last step in the scientific method?

What type of bond is formed when electrons are transferred between two atoms?

Which type of bond results in electrons being shared equally between two atoms?

What is the role of hydrogen bonds in water's behavior?

In which type of solution is water the solvent?

What is the pH range of the pH scale?

What do buffers do in relation to pH?

What is an element in chemistry?

What do isotopes of an element have in common?

What type of bond results from a partial positive charge on hydrogen?

More Like This

Scientific Method and Changes in Matter Quiz

Scientific Method and Chemical Elements Quiz

Biology Lab 1: Scientific Method and Reactions

Chemistry Basics and Scientific Method

Upgrade to continue