
Emma Sci

Flashcard
•
Science
•
7th Grade
•
Hard
Kathleen Terrebonne
FREE Resource
Student preview

41 questions
Show all answers
1.
FLASHCARD QUESTION
Front
What is the charge of a proton?
Back
Positive
Answer explanation
A proton carries a positive charge, which is fundamental to its identity as a subatomic particle. This distinguishes it from electrons, which have a negative charge, and neutrons, which are neutral.
2.
FLASHCARD QUESTION
Front
Where is the electron located in an atom?
Back
Outside the nucleus
Answer explanation
Electrons are located outside the nucleus of an atom, in regions called electron shells or orbitals. This distinguishes them from protons and neutrons, which reside in the nucleus.
3.
FLASHCARD QUESTION
Front
Which of the following is the correct chemical equation for photosynthesis? Options: 6CO₂ + 6H₂O → C₆H₁₂O₆ + 6O₂, 6O₂ + C₆H₁₂O₆ → 6CO₂ + 6H₂O, C₆H₁₂O₆ + 6O₂ → 6CO₂ + 6H₂O, 6CO₂ + C₆H₁₂O₆ → 6O₂ + 6H₂O
Back
6CO₂ + 6H₂O → C₆H₁₂O₆ + 6O₂
Answer explanation
The correct equation for photosynthesis is 6CO₂ + 6H₂O → C₆H₁₂O₆ + 6O₂, which shows that carbon dioxide and water are converted into glucose and oxygen using sunlight.
4.
FLASHCARD QUESTION
Front
How many orbitals are there in the 'd' orbital type?
Back
5
Answer explanation
The 'd' orbital type has 5 orbitals, which are designated as dxy, dyz, dzx, dx2-y2, and dz2. Each of these orbitals can hold a maximum of 2 electrons, making the total number of 'd' orbitals equal to 5.
5.
FLASHCARD QUESTION
Front
How many orbitals are there in the 's' orbital type?
Back
1
Answer explanation
The 's' orbital type has only 1 orbital. Each type of orbital (s, p, d, f) has a specific number of orbitals, and for 's', it is always 1.
6.
FLASHCARD QUESTION
Front
How many orbitals are there in the 'p' orbital type?
Back
3
Answer explanation
The 'p' orbital type has 3 orbitals, designated as px, py, and pz. Each of these can hold a maximum of 2 electrons, making the total capacity of the 'p' subshell 6 electrons.
7.
FLASHCARD QUESTION
Front
How many orbitals are there in the 'f' orbital type?
Back
7
Answer explanation
The 'f' orbital type has 7 orbitals. Each type of orbital (s, p, d, f) has a specific number of orbitals: s has 1, p has 3, d has 5, and f has 7. Therefore, the correct answer is 7.
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