What is the maximum number of electrons that the 1st electron shell can hold?
Quiz on Arrangement of Electrons and Molecules

Quiz
•
Li Xian Phua
•
Science
•
12th Grade
•
Hard
Student preview

15 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
2
4
18
8
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How many electrons can the 2nd and 3rd electron shells hold each?
10
8
6
2
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the electronic configuration of a sodium atom?
2, 8, 1
2, 8, 2
2, 5
2, 6
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What are the electrons in the outermost shell called?
Valence electrons
Core electrons
Inner electrons
Nuclear electrons
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How many groups are there in the Periodic Table?
7
12
10
18
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What do elements in the same group of the Periodic Table have in common?
Same atomic mass
Same number of valence electrons
Same number of protons
Same number of electron shells
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the chemical formula for a water molecule?
HO2
H2O
H2O2
OH
8.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What type of molecule is formed when atoms of the same element combine?
Molecule of an element
Molecule of a compound
Ionic compound
Covalent compound
9.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does the subscript in a chemical formula indicate?
Charge of the molecule
Number of atoms
Mass of the molecule
Type of atom
10.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following represents a nitrogen molecule?
H2
N2
NH3
O2
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