Chemistry Fundamentals

Choose a study mode

Play Quiz
Study Flashcards
Spaced Repetition
Chat to Lesson

Podcast

Play an AI-generated podcast conversation about this lesson
Download our mobile app to listen on the go
Get App

Questions and Answers

What is the definition of a metal?

  • Elements that have metallic properties (correct)
  • Elements that do not have metallic properties
  • Elements that are always liquid at room temperature
  • Elements that do not conduct electricity

What is the term for elements that do not have metallic properties?

  • Metalloids
  • Semiconductors
  • Metals
  • Non-metals (correct)

What best describes the function of enzymes?

  • Atoms that have lost or gained electrons
  • Elements that conduct electricity
  • Elements that do not have metallic properties
  • Proteins that organize reactions (correct)

What is the charge of an electron?

<p>Negative (C)</p> Signup and view all the answers

What happens to an atom when it becomes an ion?

<p>It gains or loses charge. (A)</p> Signup and view all the answers

What type of reaction releases heat?

<p>Exothermic Reaction (D)</p> Signup and view all the answers

What kind of bond is formed when atoms share electrons?

<p>Covalent bond (B)</p> Signup and view all the answers

What characterizes a metallic bond?

<p>Attraction between electrons and metal atoms (C)</p> Signup and view all the answers

Flashcards

Metals

Elements possessing metallic characteristics like conductivity and luster.

Non-metals

Elements lacking metallic properties; often poor conductors of heat and electricity.

Semiconductors

Elements with electrical conductivity between metals and non-metals.

Exothermic Reaction

A process that releases heat.

Signup and view all the flashcards

Chemical Reaction

A process that produces new substances with altered characteristics.

Signup and view all the flashcards

Ionic Bond

A bond formed through the electrostatic attraction between oppositely charged ions.

Signup and view all the flashcards

Covalent Bond

A bond created by the sharing of electrons between atoms.

Signup and view all the flashcards

Metallic Bond

A chemical bond formed because of the attraction between the delocalized electrons and metal atoms

Signup and view all the flashcards

More Like This

Use Quizgecko on...
Browser
Open
Browser
Browser