What is a covalent bond?
Chemical Reactions and Radioactive Decay

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Science
•
9th - 12th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
A covalent bond is a type of chemical bond where two atoms share one or more pairs of electrons.
2.
FLASHCARD QUESTION
Front
Which compound results from covalent bonding?
Back
C6H12O6 (glucose) is a compound formed by covalent bonds.
3.
FLASHCARD QUESTION
Front
What happens during alpha decay?
Back
During alpha decay, an atomic nucleus loses two protons and two neutrons, resulting in a new element.
4.
FLASHCARD QUESTION
Front
What is the effect of alpha decay on the atomic number?
Back
The atomic number decreases by 2 due to the loss of two protons.
5.
FLASHCARD QUESTION
Front
What is pH?
Back
pH is a measure of the hydrogen ion concentration in a solution, indicating its acidity or alkalinity.
6.
FLASHCARD QUESTION
Front
Which substance has the highest hydrogen ion concentration?
Back
A substance with a pH of 1 has the highest hydrogen ion concentration.
7.
FLASHCARD QUESTION
Front
What is a single replacement reaction?
Back
A single replacement reaction is a type of chemical reaction where one element replaces another in a compound.
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