Scientific Terms in Chemistry
31 Questions
0 Views

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 scientific theory about the atom?

Dalton's atomic theory

What is everything that has a mass and occupies a space?

Matter

What are positively charged particles located inside the nucleus?

Protons

Which element is necessary for the greening of plant leaves?

<p>Nitrogen</p> Signup and view all the answers

Which element is necessary for strengthening roots?

<p>Phosphorus</p> Signup and view all the answers

Which element is necessary for healthy plant growth?

<p>Potassium</p> Signup and view all the answers

What is the space that contains protons and neutrons?

<p>Nucleus</p> Signup and view all the answers

What are particles that include protons, neutrons, and electrons?

<p>Subatomic particles</p> Signup and view all the answers

What are the paths in which electrons revolve around the nucleus?

<p>Electron shells</p> Signup and view all the answers

What is the number of protons found inside the nucleus of the atom?

<p>Atomic number</p> Signup and view all the answers

What is the summation of numbers of both protons and neutrons?

<p>Mass number</p> Signup and view all the answers

What are different forms from elements having the same atomic number and different atomic masses?

<p>Isotopes</p> Signup and view all the answers

What type of fertilizers contains nitrogen, phosphorus, and potassium?

<p>NPK fertilizers</p> Signup and view all the answers

What is the table in which elements are arranged ascendingly based on their atomic numbers?

<p>Periodic table</p> Signup and view all the answers

What is the table in which elements are arranged ascendingly based on their atomic numbers, and the method of filling energy sublevels with electrons?

<p>Modern periodic table</p> Signup and view all the answers

What are the horizontal rows in the modern periodic table?

<p>Periods</p> Signup and view all the answers

What are the vertical columns in the modern periodic table?

<p>Groups</p> Signup and view all the answers

What are the metals of group 1A?

<p>Alkali metals</p> Signup and view all the answers

What is the number of unpaired electrons in the Lewis structure of the element?

<p>Valency</p> Signup and view all the answers

What are the electrons found in the outermost energy level of an element?

<p>Valence electrons</p> Signup and view all the answers

What are elements which contain 5, 6, or 7 electrons in their outermost energy level?

<p>Transition metals</p> Signup and view all the answers

What is the temperature at which the matter starts to change from solid to liquid?

<p>Melting point</p> Signup and view all the answers

What is the temperature at which the matter starts to change from liquid to gas?

<p>Boiling point</p> Signup and view all the answers

What is the simplest pure form of matter where components cannot be separated by physical or chemical methods?

<p>Element</p> Signup and view all the answers

What are materials composed of two or more substances that are not chemically combined?

<p>Mixtures</p> Signup and view all the answers

What are mixtures whose components can be distinguished with the naked eye?

<p>Heterogeneous mixtures</p> Signup and view all the answers

What is the semi-metal used in the manufacture of electronic chips?

<p>Silicon</p> Signup and view all the answers

What is an alloy that maintains its strength at high temperatures and is used in the manufacture of military aircraft structures?

<p>Titanium alloys</p> Signup and view all the answers

What is a metal atom that has lost one electron or more?

<p>Cation</p> Signup and view all the answers

What is a non-metal atom has gained one electron or more?

<p>Anion</p> Signup and view all the answers

What is a bond that results from electrical attraction between a positive ion and a negative ion?

<p>Ionic bond</p> Signup and view all the answers

Study Notes

Scientific Terms

  • Atom: The first scientific theory about the atom. Everything that has mass and occupies space.
  • Matter: Everything that has mass and occupies space.
  • Nucleus: Positively charged particles located within the atom's nucleus.
  • Chlorophyll: Necessary for greening of plant leaves.
  • Nitrogen: Essential for strengthening plant roots.
  • Phosphorus: An element necessary for healthy plant growth.
  • Nucleus: The space containing protons and neutrons in the atom.
  • Subatomic Particles: Particles that include protons, neutrons, and electrons.
  • Electron Orbits: Paths where electrons revolve around the nucleus.
  • Atomic Number: The number of protons inside the nucleus of an atom.
  • Mass Number: The sum of protons and neutrons.
  • Isotopes: Different forms of elements having the same atomic number but different mass numbers.
  • Fertilizer: A type of fertilizer containing nitrogen, phosphorus, and potassium.
  • Periodic Table: A table arranging elements ascendingly based on their atomic numbers.
  • Periods: Horizontal rows in the modern periodic table.
  • Groups: Vertical columns in the modern periodic table.
  • Group 1A Metals: Metals in group 1A of the periodic table.
  • Group 2A Metals: Metals in group 2A of the periodic table.
  • Unpaired Electrons: The number of unpaired electrons in an element's Lewis structure.
  • Valence Electrons: The number of electrons lost or gained in forming compounds, found in the outermost shell.
  • Outermost Energy Level: The outermost energy level of an atom.
  • Elements with 5-7 Valence Electrons: Elements having 5, 6 or 7 electrons in their outermost energy level.
  • Melting Point: The temperature where matter changes from solid to liquid.
  • Boiling Point: The temperature where matter changes from liquid to gas.
  • Compound: Materials composed of two or more different substances combined chemically.
  • Mixture: Materials composed of two or more substances that are not chemically combined.
  • Semi-metal: A semi-metal used in the manufacture of electronic chips.
  • Alloy: An alloy that maintains its strength at high temperatures and used in military aircraft structures.
  • Positive Ion: A metal atom that has lost one or more electron.
  • Negative Ion: A non-metal atom that has gained one or more electron.
  • Covalent Bond: A bond formed between two non-metals by sharing electrons.
  • Ionic Bond: A bond from the electrical attraction between positive and negative ions.
  • Single Bond: Sharing one pair of electrons.
  • Double Bond: Sharing two pairs of electrons.
  • Triple Bond: Sharing three pairs of electrons.
  • Electrostatic Charge: The accumulated charges on the surfaces of objects when they lose or gain electrons.
  • Charging: The process of charging uncharged objects by friction.
  • Electrostatic Series: The arrangement of materials according to their electron loss on rubbing.
  • Lightning Rod: A system to protect installations and buildings from lightning strikes.
  • Electric Field: The region of space around an electric charge where its influence appears without contact.
  • Electric Field Lines: Imaginary lines showing the path of a small positive charge in an electric field.
  • Electrometer: The instrument used to measure electric charges.
  • Coulomb: The measuring unit of electric charges.
  • Gravitation: The force that causes all objects to fall towards Earth's center.

Studying That Suits You

Use AI to generate personalized quizzes and flashcards to suit your learning preferences.

Quiz Team

Related Documents

Description

Test your knowledge of essential scientific terms related to chemistry. This quiz covers fundamental concepts such as atoms, matter, and essential nutrients for plants. Dive into the definitions and roles of various scientific components like subatomic particles and isotopes.

More Like This

Use Quizgecko on...
Browser
Browser