Atomic Structure and VSEPR
Passage
•
Science
•
9th - 12th Grade
•
Practice Problem
•
Easy
Standards-aligned
Robert Johnson
Used 5+ times
FREE Resource
8 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does the atomic number of an element represent?
The number of protons in the nucleus of an atom
The sum of protons and neutrons in the nucleus
The number of electrons in the outermost energy level
The one or two-letter abbreviation of the element's name
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What determines the chemical properties and reactivity of an element?
The number of valence electrons
The atomic symbol
The mass number
The number of protons
Tags
NGSS.HS-PS1-1
NGSS.HS-PS1-2
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which theory helps predict the shape of a molecule based on the repulsion between electron pairs?
VSEPR theory
Atomic theory
Quantum theory
Relativity theory
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the shape of a molecule with a central atom that has four valence electrons, like carbon?
Tetrahedral
Linear
Bent
Trigonal planar
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What unique property of water is influenced by its molecular geometry?
High surface tension
Low boiling point
Inability to dissolve substances
High density
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the sum of protons and neutrons in the nucleus of an atom called?
Mass number
Atomic number
Valence number
Electron number
Tags
NGSS.HS-PS1-8
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which type of molecular geometry does oxygen often form in molecules like water?
Bent
Linear
Tetrahedral
Trigonal planar
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