
Chemical Reactions and Electron Transfer
Flashcard
•
Chemistry
•
8th Grade
•
Practice Problem
•
Hard
Wayground Content
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15 questions
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1.
FLASHCARD QUESTION
Front
What is a chemical reaction?
Back
A process where substances (reactants) are transformed into new substances (products) through the breaking and forming of chemical bonds.
2.
FLASHCARD QUESTION
Front
What are alkali metals?
Back
Alkali metals are highly reactive elements found in Group 1 of the periodic table, including lithium (Li), sodium (Na), and potassium (K).
3.
FLASHCARD QUESTION
Front
What is a halogen?
Back
Halogens are elements in Group 17 of the periodic table, known for their reactivity and tendency to gain one electron in reactions. Examples include fluorine (F) and chlorine (Cl).
4.
FLASHCARD QUESTION
Front
What is an ionic bond?
Back
An ionic bond is a type of chemical bond formed through the electrostatic attraction between oppositely charged ions, typically between a metal and a non-metal.
5.
FLASHCARD QUESTION
Front
What happens during electron transfer in a chemical reaction?
Back
Electron transfer involves the movement of electrons from one atom to another, leading to the formation of ions and new chemical bonds.
6.
FLASHCARD QUESTION
Front
What is the role of oxygen in combustion reactions?
Back
Oxygen acts as an oxidizing agent in combustion reactions, allowing substances like hydrogen to react and produce energy, often in the form of heat and light.
7.
FLASHCARD QUESTION
Front
What is the significance of the octet rule in chemical bonding?
Back
The octet rule states that atoms tend to gain, lose, or share electrons to achieve a full outer shell of eight electrons, leading to stability.
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